Home / 28,044.61-42,057.80-9,319.61

Finding the Fourth Proportional to 28,044.61, 42,057.80 and 9,319.61

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Solution

The fourth proportional to 28,044.61, 42,057.80 and 9,319.61 is: 13,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.61 : 42,057.80 = 9,319.61 : x
  2. Step 2: Convert to fraction form
    28,044.61/42,057.80 = 9,319.61/x
  3. Step 3: Cross multiply
    28,044.61x = 42,057.80 × 9,319.61
  4. Step 4: Simplify right side
    28,044.61x = 391,962,293.46
  5. Step 5: Solve for x
    x = 391,962,293.46/28,044.61
  6. Step 6: Final answer
    x = 13,976.39

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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.