Home / 38,905.20-58,367.04-16,718.79

Finding the Fourth Proportional to 38,905.20, 58,367.04 and 16,718.79

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Solution

The fourth proportional to 38,905.20, 58,367.04 and 16,718.79 is: 25,082.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,905.20 : 58,367.04 = 16,718.79 : x
  2. Step 2: Convert to fraction form
    38,905.20/58,367.04 = 16,718.79/x
  3. Step 3: Cross multiply
    38,905.20x = 58,367.04 × 16,718.79
  4. Step 4: Simplify right side
    38,905.20x = 975,826,284.68
  5. Step 5: Solve for x
    x = 975,826,284.68/38,905.20
  6. Step 6: Final answer
    x = 25,082.16

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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.