Home / 26,144.32-36,084.41-15,531.91

Finding the Fourth Proportional to 26,144.32, 36,084.41 and 15,531.91

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Solution

The fourth proportional to 26,144.32, 36,084.41 and 15,531.91 is: 21,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,144.32 : 36,084.41 = 15,531.91 : x
  2. Step 2: Convert to fraction form
    26,144.32/36,084.41 = 15,531.91/x
  3. Step 3: Cross multiply
    26,144.32x = 36,084.41 × 15,531.91
  4. Step 4: Simplify right side
    26,144.32x = 560,459,808.52
  5. Step 5: Solve for x
    x = 560,459,808.52/26,144.32
  6. Step 6: Final answer
    x = 21,437.15

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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.