Home / 28,076.19-42,115.91-10,546.17

Finding the Fourth Proportional to 28,076.19, 42,115.91 and 10,546.17

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Solution

The fourth proportional to 28,076.19, 42,115.91 and 10,546.17 is: 15,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.19 : 42,115.91 = 10,546.17 : x
  2. Step 2: Convert to fraction form
    28,076.19/42,115.91 = 10,546.17/x
  3. Step 3: Cross multiply
    28,076.19x = 42,115.91 × 10,546.17
  4. Step 4: Simplify right side
    28,076.19x = 444,161,493.83
  5. Step 5: Solve for x
    x = 444,161,493.83/28,076.19
  6. Step 6: Final answer
    x = 15,819.86

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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.