Home / 28,024.93-42,037.30-9,306.39

Finding the Fourth Proportional to 28,024.93, 42,037.30 and 9,306.39

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Solution

The fourth proportional to 28,024.93, 42,037.30 and 9,306.39 is: 13,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.93 : 42,037.30 = 9,306.39 : x
  2. Step 2: Convert to fraction form
    28,024.93/42,037.30 = 9,306.39/x
  3. Step 3: Cross multiply
    28,024.93x = 42,037.30 × 9,306.39
  4. Step 4: Simplify right side
    28,024.93x = 391,215,508.35
  5. Step 5: Solve for x
    x = 391,215,508.35/28,024.93
  6. Step 6: Final answer
    x = 13,959.55

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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.