Home / 57,626.42-86,439.65-18,186.62

Finding the Fourth Proportional to 57,626.42, 86,439.65 and 18,186.62

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Solution

The fourth proportional to 57,626.42, 86,439.65 and 18,186.62 is: 27,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,626.42 : 86,439.65 = 18,186.62 : x
  2. Step 2: Convert to fraction form
    57,626.42/86,439.65 = 18,186.62/x
  3. Step 3: Cross multiply
    57,626.42x = 86,439.65 × 18,186.62
  4. Step 4: Simplify right side
    57,626.42x = 1,572,044,976.55
  5. Step 5: Solve for x
    x = 1,572,044,976.55/57,626.42
  6. Step 6: Final answer
    x = 27,279.93

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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.