Home / 27,614.28-38,107.38-15,677.96

Finding the Fourth Proportional to 27,614.28, 38,107.38 and 15,677.96

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Solution

The fourth proportional to 27,614.28, 38,107.38 and 15,677.96 is: 21,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,614.28 : 38,107.38 = 15,677.96 : x
  2. Step 2: Convert to fraction form
    27,614.28/38,107.38 = 15,677.96/x
  3. Step 3: Cross multiply
    27,614.28x = 38,107.38 × 15,677.96
  4. Step 4: Simplify right side
    27,614.28x = 597,445,979.34
  5. Step 5: Solve for x
    x = 597,445,979.34/27,614.28
  6. Step 6: Final answer
    x = 21,635.40

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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.