Home / 17,687.17-26,517.79-15,108.13

Finding the Fourth Proportional to 17,687.17, 26,517.79 and 15,108.13

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Solution

The fourth proportional to 17,687.17, 26,517.79 and 15,108.13 is: 22,651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,687.17 : 26,517.79 = 15,108.13 : x
  2. Step 2: Convert to fraction form
    17,687.17/26,517.79 = 15,108.13/x
  3. Step 3: Cross multiply
    17,687.17x = 26,517.79 × 15,108.13
  4. Step 4: Simplify right side
    17,687.17x = 400,634,218.63
  5. Step 5: Solve for x
    x = 400,634,218.63/17,687.17
  6. Step 6: Final answer
    x = 22,651.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.