Home / 27,819.19-41,731.35-9,099.32

Finding the Fourth Proportional to 27,819.19, 41,731.35 and 9,099.32

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Solution

The fourth proportional to 27,819.19, 41,731.35 and 9,099.32 is: 13,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819.19 : 41,731.35 = 9,099.32 : x
  2. Step 2: Convert to fraction form
    27,819.19/41,731.35 = 9,099.32/x
  3. Step 3: Cross multiply
    27,819.19x = 41,731.35 × 9,099.32
  4. Step 4: Simplify right side
    27,819.19x = 379,726,907.68
  5. Step 5: Solve for x
    x = 379,726,907.68/27,819.19
  6. Step 6: Final answer
    x = 13,649.82

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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.