Home / 38,129.10-57,216.13-15,940.76

Finding the Fourth Proportional to 38,129.10, 57,216.13 and 15,940.76

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Solution

The fourth proportional to 38,129.10, 57,216.13 and 15,940.76 is: 23,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,129.10 : 57,216.13 = 15,940.76 : x
  2. Step 2: Convert to fraction form
    38,129.10/57,216.13 = 15,940.76/x
  3. Step 3: Cross multiply
    38,129.10x = 57,216.13 × 15,940.76
  4. Step 4: Simplify right side
    38,129.10x = 912,068,596.46
  5. Step 5: Solve for x
    x = 912,068,596.46/38,129.10
  6. Step 6: Final answer
    x = 23,920.54

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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.