Home / 38,898.20-58,376.10-15,541.40

Finding the Fourth Proportional to 38,898.20, 58,376.10 and 15,541.40

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Solution

The fourth proportional to 38,898.20, 58,376.10 and 15,541.40 is: 23,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,898.20 : 58,376.10 = 15,541.40 : x
  2. Step 2: Convert to fraction form
    38,898.20/58,376.10 = 15,541.40/x
  3. Step 3: Cross multiply
    38,898.20x = 58,376.10 × 15,541.40
  4. Step 4: Simplify right side
    38,898.20x = 907,246,320.54
  5. Step 5: Solve for x
    x = 907,246,320.54/38,898.20
  6. Step 6: Final answer
    x = 23,323.61

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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.