Home / 38,835.20-58,276.80-15,459.20

Finding the Fourth Proportional to 38,835.20, 58,276.80 and 15,459.20

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Solution

The fourth proportional to 38,835.20, 58,276.80 and 15,459.20 is: 23,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,835.20 : 58,276.80 = 15,459.20 : x
  2. Step 2: Convert to fraction form
    38,835.20/58,276.80 = 15,459.20/x
  3. Step 3: Cross multiply
    38,835.20x = 58,276.80 × 15,459.20
  4. Step 4: Simplify right side
    38,835.20x = 900,912,706.56
  5. Step 5: Solve for x
    x = 900,912,706.56/38,835.20
  6. Step 6: Final answer
    x = 23,198.35

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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.