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Finding the Fourth Proportional to 17,487.44, 26,095.90 and 15,618.44

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Solution

The fourth proportional to 17,487.44, 26,095.90 and 15,618.44 is: 23,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.44 : 26,095.90 = 15,618.44 : x
  2. Step 2: Convert to fraction form
    17,487.44/26,095.90 = 15,618.44/x
  3. Step 3: Cross multiply
    17,487.44x = 26,095.90 × 15,618.44
  4. Step 4: Simplify right side
    17,487.44x = 407,577,248.40
  5. Step 5: Solve for x
    x = 407,577,248.40/17,487.44
  6. Step 6: Final answer
    x = 23,306.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.