Home / 27,800.60-41,720.40-12,229.16

Finding the Fourth Proportional to 27,800.60, 41,720.40 and 12,229.16

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Solution

The fourth proportional to 27,800.60, 41,720.40 and 12,229.16 is: 18,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,800.60 : 41,720.40 = 12,229.16 : x
  2. Step 2: Convert to fraction form
    27,800.60/41,720.40 = 12,229.16/x
  3. Step 3: Cross multiply
    27,800.60x = 41,720.40 × 12,229.16
  4. Step 4: Simplify right side
    27,800.60x = 510,205,446.86
  5. Step 5: Solve for x
    x = 510,205,446.86/27,800.60
  6. Step 6: Final answer
    x = 18,352.32

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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.