Home / 28,320.55-42,481.55-15,833.59

Finding the Fourth Proportional to 28,320.55, 42,481.55 and 15,833.59

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Solution

The fourth proportional to 28,320.55, 42,481.55 and 15,833.59 is: 23,750.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,320.55 : 42,481.55 = 15,833.59 : x
  2. Step 2: Convert to fraction form
    28,320.55/42,481.55 = 15,833.59/x
  3. Step 3: Cross multiply
    28,320.55x = 42,481.55 × 15,833.59
  4. Step 4: Simplify right side
    28,320.55x = 672,635,445.26
  5. Step 5: Solve for x
    x = 672,635,445.26/28,320.55
  6. Step 6: Final answer
    x = 23,750.79

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1.5x scale

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.