Home / 38,528.82-57,778.65-15,142.50

Finding the Fourth Proportional to 38,528.82, 57,778.65 and 15,142.50

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Solution

The fourth proportional to 38,528.82, 57,778.65 and 15,142.50 is: 22,708.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,528.82 : 57,778.65 = 15,142.50 : x
  2. Step 2: Convert to fraction form
    38,528.82/57,778.65 = 15,142.50/x
  3. Step 3: Cross multiply
    38,528.82x = 57,778.65 × 15,142.50
  4. Step 4: Simplify right side
    38,528.82x = 874,913,207.63
  5. Step 5: Solve for x
    x = 874,913,207.63/38,528.82
  6. Step 6: Final answer
    x = 22,708.02

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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.