Home / 38,638.08-57,985.92-15,280.56

Finding the Fourth Proportional to 38,638.08, 57,985.92 and 15,280.56

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Solution

The fourth proportional to 38,638.08, 57,985.92 and 15,280.56 is: 22,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,638.08 : 57,985.92 = 15,280.56 : x
  2. Step 2: Convert to fraction form
    38,638.08/57,985.92 = 15,280.56/x
  3. Step 3: Cross multiply
    38,638.08x = 57,985.92 × 15,280.56
  4. Step 4: Simplify right side
    38,638.08x = 886,057,329.72
  5. Step 5: Solve for x
    x = 886,057,329.72/38,638.08
  6. Step 6: Final answer
    x = 22,932.23

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1.5x scale

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.