Home / 38,728.01-58,096.88-12,425.69

Finding the Fourth Proportional to 38,728.01, 58,096.88 and 12,425.69

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Solution

The fourth proportional to 38,728.01, 58,096.88 and 12,425.69 is: 18,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,728.01 : 58,096.88 = 12,425.69 : x
  2. Step 2: Convert to fraction form
    38,728.01/58,096.88 = 12,425.69/x
  3. Step 3: Cross multiply
    38,728.01x = 58,096.88 × 12,425.69
  4. Step 4: Simplify right side
    38,728.01x = 721,893,820.85
  5. Step 5: Solve for x
    x = 721,893,820.85/38,728.01
  6. Step 6: Final answer
    x = 18,640.10

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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.