Home / 28,186.23-38,903.99-16,256.73

Finding the Fourth Proportional to 28,186.23, 38,903.99 and 16,256.73

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Solution

The fourth proportional to 28,186.23, 38,903.99 and 16,256.73 is: 22,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186.23 : 38,903.99 = 16,256.73 : x
  2. Step 2: Convert to fraction form
    28,186.23/38,903.99 = 16,256.73/x
  3. Step 3: Cross multiply
    28,186.23x = 38,903.99 × 16,256.73
  4. Step 4: Simplify right side
    28,186.23x = 632,451,580.07
  5. Step 5: Solve for x
    x = 632,451,580.07/28,186.23
  6. Step 6: Final answer
    x = 22,438.32

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Half scale
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Double scale
Find fourth proportional to 28,187.23, 38,905.37 and 16,257.73
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.