Home / 28,905.48-43,375.20-12,264.24

Finding the Fourth Proportional to 28,905.48, 43,375.20 and 12,264.24

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Solution

The fourth proportional to 28,905.48, 43,375.20 and 12,264.24 is: 18,403.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.48 : 43,375.20 = 12,264.24 : x
  2. Step 2: Convert to fraction form
    28,905.48/43,375.20 = 12,264.24/x
  3. Step 3: Cross multiply
    28,905.48x = 43,375.20 × 12,264.24
  4. Step 4: Simplify right side
    28,905.48x = 531,963,862.85
  5. Step 5: Solve for x
    x = 531,963,862.85/28,905.48
  6. Step 6: Final answer
    x = 18,403.56

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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.