Home / 28,015.59-42,023.19-11,375.46

Finding the Fourth Proportional to 28,015.59, 42,023.19 and 11,375.46

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Solution

The fourth proportional to 28,015.59, 42,023.19 and 11,375.46 is: 17,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015.59 : 42,023.19 = 11,375.46 : x
  2. Step 2: Convert to fraction form
    28,015.59/42,023.19 = 11,375.46/x
  3. Step 3: Cross multiply
    28,015.59x = 42,023.19 × 11,375.46
  4. Step 4: Simplify right side
    28,015.59x = 478,033,116.92
  5. Step 5: Solve for x
    x = 478,033,116.92/28,015.59
  6. Step 6: Final answer
    x = 17,063.11

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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.