Home / 28,747.20-43,122.17-9,027.30

Finding the Fourth Proportional to 28,747.20, 43,122.17 and 9,027.30

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Solution

The fourth proportional to 28,747.20, 43,122.17 and 9,027.30 is: 13,541.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.20 : 43,122.17 = 9,027.30 : x
  2. Step 2: Convert to fraction form
    28,747.20/43,122.17 = 9,027.30/x
  3. Step 3: Cross multiply
    28,747.20x = 43,122.17 × 9,027.30
  4. Step 4: Simplify right side
    28,747.20x = 389,276,706.96
  5. Step 5: Solve for x
    x = 389,276,706.96/28,747.20
  6. Step 6: Final answer
    x = 13,541.38

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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.