Home / 38,423.20-57,630.96-10,725.28

Finding the Fourth Proportional to 38,423.20, 57,630.96 and 10,725.28

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Solution

The fourth proportional to 38,423.20, 57,630.96 and 10,725.28 is: 16,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423.20 : 57,630.96 = 10,725.28 : x
  2. Step 2: Convert to fraction form
    38,423.20/57,630.96 = 10,725.28/x
  3. Step 3: Cross multiply
    38,423.20x = 57,630.96 × 10,725.28
  4. Step 4: Simplify right side
    38,423.20x = 618,108,182.67
  5. Step 5: Solve for x
    x = 618,108,182.67/38,423.20
  6. Step 6: Final answer
    x = 16,086.85

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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.