Home / 18,155.62-27,279.24-17,417.53

Finding the Fourth Proportional to 18,155.62, 27,279.24 and 17,417.53

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Solution

The fourth proportional to 18,155.62, 27,279.24 and 17,417.53 is: 26,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.62 : 27,279.24 = 17,417.53 : x
  2. Step 2: Convert to fraction form
    18,155.62/27,279.24 = 17,417.53/x
  3. Step 3: Cross multiply
    18,155.62x = 27,279.24 × 17,417.53
  4. Step 4: Simplify right side
    18,155.62x = 475,136,981.08
  5. Step 5: Solve for x
    x = 475,136,981.08/18,155.62
  6. Step 6: Final answer
    x = 26,170.24

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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.