Home / 57,385.62-86,071.56-15,268.80

Finding the Fourth Proportional to 57,385.62, 86,071.56 and 15,268.80

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Solution

The fourth proportional to 57,385.62, 86,071.56 and 15,268.80 is: 22,901.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,385.62 : 86,071.56 = 15,268.80 : x
  2. Step 2: Convert to fraction form
    57,385.62/86,071.56 = 15,268.80/x
  3. Step 3: Cross multiply
    57,385.62x = 86,071.56 × 15,268.80
  4. Step 4: Simplify right side
    57,385.62x = 1,314,209,435.33
  5. Step 5: Solve for x
    x = 1,314,209,435.33/57,385.62
  6. Step 6: Final answer
    x = 22,901.37

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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.