Home / 57,433.12-86,151.30-15,880.12

Finding the Fourth Proportional to 57,433.12, 86,151.30 and 15,880.12

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Solution

The fourth proportional to 57,433.12, 86,151.30 and 15,880.12 is: 23,820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,433.12 : 86,151.30 = 15,880.12 : x
  2. Step 2: Convert to fraction form
    57,433.12/86,151.30 = 15,880.12/x
  3. Step 3: Cross multiply
    57,433.12x = 86,151.30 × 15,880.12
  4. Step 4: Simplify right side
    57,433.12x = 1,368,092,982.16
  5. Step 5: Solve for x
    x = 1,368,092,982.16/57,433.12
  6. Step 6: Final answer
    x = 23,820.63

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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.