Home / 28,186.23-38,808.48-23,928.47

Finding the Fourth Proportional to 28,186.23, 38,808.48 and 23,928.47

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Solution

The fourth proportional to 28,186.23, 38,808.48 and 23,928.47 is: 32,946.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186.23 : 38,808.48 = 23,928.47 : x
  2. Step 2: Convert to fraction form
    28,186.23/38,808.48 = 23,928.47/x
  3. Step 3: Cross multiply
    28,186.23x = 38,808.48 × 23,928.47
  4. Step 4: Simplify right side
    28,186.23x = 928,627,549.43
  5. Step 5: Solve for x
    x = 928,627,549.43/28,186.23
  6. Step 6: Final answer
    x = 32,946.14

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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.