Home / 28,982.20-43,526.10-17,318.20

Finding the Fourth Proportional to 28,982.20, 43,526.10 and 17,318.20

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Solution

The fourth proportional to 28,982.20, 43,526.10 and 17,318.20 is: 26,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.20 : 43,526.10 = 17,318.20 : x
  2. Step 2: Convert to fraction form
    28,982.20/43,526.10 = 17,318.20/x
  3. Step 3: Cross multiply
    28,982.20x = 43,526.10 × 17,318.20
  4. Step 4: Simplify right side
    28,982.20x = 753,793,705.02
  5. Step 5: Solve for x
    x = 753,793,705.02/28,982.20
  6. Step 6: Final answer
    x = 26,008.85

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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.