Home / 28,979.04-43,471.28-12,110

Finding the Fourth Proportional to 28,979.04, 43,471.28 and 12,110

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Solution

The fourth proportional to 28,979.04, 43,471.28 and 12,110 is: 18,166.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979.04 : 43,471.28 = 12,110 : x
  2. Step 2: Convert to fraction form
    28,979.04/43,471.28 = 12,110/x
  3. Step 3: Cross multiply
    28,979.04x = 43,471.28 × 12,110
  4. Step 4: Simplify right side
    28,979.04x = 526,437,200.80
  5. Step 5: Solve for x
    x = 526,437,200.80/28,979.04
  6. Step 6: Final answer
    x = 18,166.14

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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.