Home / 28,512.50-42,788.19-10,044.50

Finding the Fourth Proportional to 28,512.50, 42,788.19 and 10,044.50

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Solution

The fourth proportional to 28,512.50, 42,788.19 and 10,044.50 is: 15,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512.50 : 42,788.19 = 10,044.50 : x
  2. Step 2: Convert to fraction form
    28,512.50/42,788.19 = 10,044.50/x
  3. Step 3: Cross multiply
    28,512.50x = 42,788.19 × 10,044.50
  4. Step 4: Simplify right side
    28,512.50x = 429,785,974.46
  5. Step 5: Solve for x
    x = 429,785,974.46/28,512.50
  6. Step 6: Final answer
    x = 15,073.60

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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.