Home / 17,428.57-26,140.12-7,565.20

Finding the Fourth Proportional to 17,428.57, 26,140.12 and 7,565.20

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Solution

The fourth proportional to 17,428.57, 26,140.12 and 7,565.20 is: 11,346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.57 : 26,140.12 = 7,565.20 : x
  2. Step 2: Convert to fraction form
    17,428.57/26,140.12 = 7,565.20/x
  3. Step 3: Cross multiply
    17,428.57x = 26,140.12 × 7,565.20
  4. Step 4: Simplify right side
    17,428.57x = 197,755,151.56
  5. Step 5: Solve for x
    x = 197,755,151.56/17,428.57
  6. Step 6: Final answer
    x = 11,346.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.