Home / 38,821.38-58,261-28,849.10

Finding the Fourth Proportional to 38,821.38, 58,261 and 28,849.10

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Solution

The fourth proportional to 38,821.38, 58,261 and 28,849.10 is: 43,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821.38 : 58,261 = 28,849.10 : x
  2. Step 2: Convert to fraction form
    38,821.38/58,261 = 28,849.10/x
  3. Step 3: Cross multiply
    38,821.38x = 58,261 × 28,849.10
  4. Step 4: Simplify right side
    38,821.38x = 1,680,777,415.10
  5. Step 5: Solve for x
    x = 1,680,777,415.10/38,821.38
  6. Step 6: Final answer
    x = 43,295.15

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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.