Home / 38,817.30-58,211.55-15,438.90

Finding the Fourth Proportional to 38,817.30, 58,211.55 and 15,438.90

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Solution

The fourth proportional to 38,817.30, 58,211.55 and 15,438.90 is: 23,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,817.30 : 58,211.55 = 15,438.90 : x
  2. Step 2: Convert to fraction form
    38,817.30/58,211.55 = 15,438.90/x
  3. Step 3: Cross multiply
    38,817.30x = 58,211.55 × 15,438.90
  4. Step 4: Simplify right side
    38,817.30x = 898,722,299.30
  5. Step 5: Solve for x
    x = 898,722,299.30/38,817.30
  6. Step 6: Final answer
    x = 23,152.62

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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.