Home / 28,233.09-38,962.20-16,903.08

Finding the Fourth Proportional to 28,233.09, 38,962.20 and 16,903.08

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Solution

The fourth proportional to 28,233.09, 38,962.20 and 16,903.08 is: 23,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.09 : 38,962.20 = 16,903.08 : x
  2. Step 2: Convert to fraction form
    28,233.09/38,962.20 = 16,903.08/x
  3. Step 3: Cross multiply
    28,233.09x = 38,962.20 × 16,903.08
  4. Step 4: Simplify right side
    28,233.09x = 658,581,183.58
  5. Step 5: Solve for x
    x = 658,581,183.58/28,233.09
  6. Step 6: Final answer
    x = 23,326.57

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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.