Home / 17,530.43-26,276.17-13,356.68

Finding the Fourth Proportional to 17,530.43, 26,276.17 and 13,356.68

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Solution

The fourth proportional to 17,530.43, 26,276.17 and 13,356.68 is: 20,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,530.43 : 26,276.17 = 13,356.68 : x
  2. Step 2: Convert to fraction form
    17,530.43/26,276.17 = 13,356.68/x
  3. Step 3: Cross multiply
    17,530.43x = 26,276.17 × 13,356.68
  4. Step 4: Simplify right side
    17,530.43x = 350,962,460.55
  5. Step 5: Solve for x
    x = 350,962,460.55/17,530.43
  6. Step 6: Final answer
    x = 20,020.18

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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.