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Finding the Fourth Proportional to 26,146.59, 36,079.59 and 15,534.17

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Solution

The fourth proportional to 26,146.59, 36,079.59 and 15,534.17 is: 21,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,146.59 : 36,079.59 = 15,534.17 : x
  2. Step 2: Convert to fraction form
    26,146.59/36,079.59 = 15,534.17/x
  3. Step 3: Cross multiply
    26,146.59x = 36,079.59 × 15,534.17
  4. Step 4: Simplify right side
    26,146.59x = 560,466,484.59
  5. Step 5: Solve for x
    x = 560,466,484.59/26,146.59
  6. Step 6: Final answer
    x = 21,435.55

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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.