Home / 26,530.71-39,793.02-9,891.28

Finding the Fourth Proportional to 26,530.71, 39,793.02 and 9,891.28

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Solution

The fourth proportional to 26,530.71, 39,793.02 and 9,891.28 is: 14,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.71 : 39,793.02 = 9,891.28 : x
  2. Step 2: Convert to fraction form
    26,530.71/39,793.02 = 9,891.28/x
  3. Step 3: Cross multiply
    26,530.71x = 39,793.02 × 9,891.28
  4. Step 4: Simplify right side
    26,530.71x = 393,603,902.87
  5. Step 5: Solve for x
    x = 393,603,902.87/26,530.71
  6. Step 6: Final answer
    x = 14,835.78

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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.