Home / 26,489.50-36,560.37-15,311.50

Finding the Fourth Proportional to 26,489.50, 36,560.37 and 15,311.50

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Solution

The fourth proportional to 26,489.50, 36,560.37 and 15,311.50 is: 21,132.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.50 : 36,560.37 = 15,311.50 : x
  2. Step 2: Convert to fraction form
    26,489.50/36,560.37 = 15,311.50/x
  3. Step 3: Cross multiply
    26,489.50x = 36,560.37 × 15,311.50
  4. Step 4: Simplify right side
    26,489.50x = 559,794,105.26
  5. Step 5: Solve for x
    x = 559,794,105.26/26,489.50
  6. Step 6: Final answer
    x = 21,132.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.