Home / 18,079.48-27,118.68-17,587

Finding the Fourth Proportional to 18,079.48, 27,118.68 and 17,587

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Solution

The fourth proportional to 18,079.48, 27,118.68 and 17,587 is: 26,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.48 : 27,118.68 = 17,587 : x
  2. Step 2: Convert to fraction form
    18,079.48/27,118.68 = 17,587/x
  3. Step 3: Cross multiply
    18,079.48x = 27,118.68 × 17,587
  4. Step 4: Simplify right side
    18,079.48x = 476,936,225.16
  5. Step 5: Solve for x
    x = 476,936,225.16/18,079.48
  6. Step 6: Final answer
    x = 26,379.97

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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.