Home / 26,387.28-36,404.04-15,207.12

Finding the Fourth Proportional to 26,387.28, 36,404.04 and 15,207.12

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Solution

The fourth proportional to 26,387.28, 36,404.04 and 15,207.12 is: 20,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.28 : 36,404.04 = 15,207.12 : x
  2. Step 2: Convert to fraction form
    26,387.28/36,404.04 = 15,207.12/x
  3. Step 3: Cross multiply
    26,387.28x = 36,404.04 × 15,207.12
  4. Step 4: Simplify right side
    26,387.28x = 553,600,604.76
  5. Step 5: Solve for x
    x = 553,600,604.76/26,387.28
  6. Step 6: Final answer
    x = 20,979.83

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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.