Home / 26,854.17-37,074.20-17,931.21

Finding the Fourth Proportional to 26,854.17, 37,074.20 and 17,931.21

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Solution

The fourth proportional to 26,854.17, 37,074.20 and 17,931.21 is: 24,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,854.17 : 37,074.20 = 17,931.21 : x
  2. Step 2: Convert to fraction form
    26,854.17/37,074.20 = 17,931.21/x
  3. Step 3: Cross multiply
    26,854.17x = 37,074.20 × 17,931.21
  4. Step 4: Simplify right side
    26,854.17x = 664,785,265.78
  5. Step 5: Solve for x
    x = 664,785,265.78/26,854.17
  6. Step 6: Final answer
    x = 24,755.38

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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.