Home / 38,896.20-58,368.30-15,520.20

Finding the Fourth Proportional to 38,896.20, 58,368.30 and 15,520.20

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Solution

The fourth proportional to 38,896.20, 58,368.30 and 15,520.20 is: 23,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,896.20 : 58,368.30 = 15,520.20 : x
  2. Step 2: Convert to fraction form
    38,896.20/58,368.30 = 15,520.20/x
  3. Step 3: Cross multiply
    38,896.20x = 58,368.30 × 15,520.20
  4. Step 4: Simplify right side
    38,896.20x = 905,887,689.66
  5. Step 5: Solve for x
    x = 905,887,689.66/38,896.20
  6. Step 6: Final answer
    x = 23,289.88

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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.