Home / 57,429.26-86,143.89-17,989.44

Finding the Fourth Proportional to 57,429.26, 86,143.89 and 17,989.44

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Solution

The fourth proportional to 57,429.26, 86,143.89 and 17,989.44 is: 26,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,429.26 : 86,143.89 = 17,989.44 : x
  2. Step 2: Convert to fraction form
    57,429.26/86,143.89 = 17,989.44/x
  3. Step 3: Cross multiply
    57,429.26x = 86,143.89 × 17,989.44
  4. Step 4: Simplify right side
    57,429.26x = 1,549,680,250.57
  5. Step 5: Solve for x
    x = 1,549,680,250.57/57,429.26
  6. Step 6: Final answer
    x = 26,984.16

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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.