Home / 54,928.60-82,385.61-15,488.89

Finding the Fourth Proportional to 54,928.60, 82,385.61 and 15,488.89

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Solution

The fourth proportional to 54,928.60, 82,385.61 and 15,488.89 is: 23,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,928.60 : 82,385.61 = 15,488.89 : x
  2. Step 2: Convert to fraction form
    54,928.60/82,385.61 = 15,488.89/x
  3. Step 3: Cross multiply
    54,928.60x = 82,385.61 × 15,488.89
  4. Step 4: Simplify right side
    54,928.60x = 1,276,061,386.83
  5. Step 5: Solve for x
    x = 1,276,061,386.83/54,928.60
  6. Step 6: Final answer
    x = 23,231.28

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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.