Home / 57,426.12-86,132.35-15,309.36

Finding the Fourth Proportional to 57,426.12, 86,132.35 and 15,309.36

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Solution

The fourth proportional to 57,426.12, 86,132.35 and 15,309.36 is: 22,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,426.12 : 86,132.35 = 15,309.36 : x
  2. Step 2: Convert to fraction form
    57,426.12/86,132.35 = 15,309.36/x
  3. Step 3: Cross multiply
    57,426.12x = 86,132.35 × 15,309.36
  4. Step 4: Simplify right side
    57,426.12x = 1,318,631,153.80
  5. Step 5: Solve for x
    x = 1,318,631,153.80/57,426.12
  6. Step 6: Final answer
    x = 22,962.22

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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.