Home / 26,380.55-36,397.93-15,045.91

Finding the Fourth Proportional to 26,380.55, 36,397.93 and 15,045.91

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Solution

The fourth proportional to 26,380.55, 36,397.93 and 15,045.91 is: 20,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.55 : 36,397.93 = 15,045.91 : x
  2. Step 2: Convert to fraction form
    26,380.55/36,397.93 = 15,045.91/x
  3. Step 3: Cross multiply
    26,380.55x = 36,397.93 × 15,045.91
  4. Step 4: Simplify right side
    26,380.55x = 547,639,978.97
  5. Step 5: Solve for x
    x = 547,639,978.97/26,380.55
  6. Step 6: Final answer
    x = 20,759.23

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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.