Home / 28,073.73-38,741.66-15,498.39

Finding the Fourth Proportional to 28,073.73, 38,741.66 and 15,498.39

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Solution

The fourth proportional to 28,073.73, 38,741.66 and 15,498.39 is: 21,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073.73 : 38,741.66 = 15,498.39 : x
  2. Step 2: Convert to fraction form
    28,073.73/38,741.66 = 15,498.39/x
  3. Step 3: Cross multiply
    28,073.73x = 38,741.66 × 15,498.39
  4. Step 4: Simplify right side
    28,073.73x = 600,433,278.44
  5. Step 5: Solve for x
    x = 600,433,278.44/28,073.73
  6. Step 6: Final answer
    x = 21,387.73

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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.