Home / 26,663.28-36,782-15,900.56

Finding the Fourth Proportional to 26,663.28, 36,782 and 15,900.56

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Solution

The fourth proportional to 26,663.28, 36,782 and 15,900.56 is: 21,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,663.28 : 36,782 = 15,900.56 : x
  2. Step 2: Convert to fraction form
    26,663.28/36,782 = 15,900.56/x
  3. Step 3: Cross multiply
    26,663.28x = 36,782 × 15,900.56
  4. Step 4: Simplify right side
    26,663.28x = 584,854,397.92
  5. Step 5: Solve for x
    x = 584,854,397.92/26,663.28
  6. Step 6: Final answer
    x = 21,934.83

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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.