Home / 38,359.60-52,932.40-28,293.48

Finding the Fourth Proportional to 38,359.60, 52,932.40 and 28,293.48

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Solution

The fourth proportional to 38,359.60, 52,932.40 and 28,293.48 is: 39,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,359.60 : 52,932.40 = 28,293.48 : x
  2. Step 2: Convert to fraction form
    38,359.60/52,932.40 = 28,293.48/x
  3. Step 3: Cross multiply
    38,359.60x = 52,932.40 × 28,293.48
  4. Step 4: Simplify right side
    38,359.60x = 1,497,641,800.75
  5. Step 5: Solve for x
    x = 1,497,641,800.75/38,359.60
  6. Step 6: Final answer
    x = 39,042.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.