Home / 28,044.91-42,058.26-9,319.92

Finding the Fourth Proportional to 28,044.91, 42,058.26 and 9,319.92

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Solution

The fourth proportional to 28,044.91, 42,058.26 and 9,319.92 is: 13,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.91 : 42,058.26 = 9,319.92 : x
  2. Step 2: Convert to fraction form
    28,044.91/42,058.26 = 9,319.92/x
  3. Step 3: Cross multiply
    28,044.91x = 42,058.26 × 9,319.92
  4. Step 4: Simplify right side
    28,044.91x = 391,979,618.54
  5. Step 5: Solve for x
    x = 391,979,618.54/28,044.91
  6. Step 6: Final answer
    x = 13,976.85

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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.