Home / 15,125.78-22,689.76-4,032.42

Finding the Fourth Proportional to 15,125.78, 22,689.76 and 4,032.42

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Solution

The fourth proportional to 15,125.78, 22,689.76 and 4,032.42 is: 6,048.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125.78 : 22,689.76 = 4,032.42 : x
  2. Step 2: Convert to fraction form
    15,125.78/22,689.76 = 4,032.42/x
  3. Step 3: Cross multiply
    15,125.78x = 22,689.76 × 4,032.42
  4. Step 4: Simplify right side
    15,125.78x = 91,494,642.02
  5. Step 5: Solve for x
    x = 91,494,642.02/15,125.78
  6. Step 6: Final answer
    x = 6,048.92

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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.