Home / 28,044.86-42,067.66-9,324.90

Finding the Fourth Proportional to 28,044.86, 42,067.66 and 9,324.90

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Solution

The fourth proportional to 28,044.86, 42,067.66 and 9,324.90 is: 13,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.86 : 42,067.66 = 9,324.90 : x
  2. Step 2: Convert to fraction form
    28,044.86/42,067.66 = 9,324.90/x
  3. Step 3: Cross multiply
    28,044.86x = 42,067.66 × 9,324.90
  4. Step 4: Simplify right side
    28,044.86x = 392,276,594.25
  5. Step 5: Solve for x
    x = 392,276,594.25/28,044.86
  6. Step 6: Final answer
    x = 13,987.47

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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.