Home / 26,572.87-39,864.21-10,991.71

Finding the Fourth Proportional to 26,572.87, 39,864.21 and 10,991.71

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Solution

The fourth proportional to 26,572.87, 39,864.21 and 10,991.71 is: 16,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,572.87 : 39,864.21 = 10,991.71 : x
  2. Step 2: Convert to fraction form
    26,572.87/39,864.21 = 10,991.71/x
  3. Step 3: Cross multiply
    26,572.87x = 39,864.21 × 10,991.71
  4. Step 4: Simplify right side
    26,572.87x = 438,175,906.14
  5. Step 5: Solve for x
    x = 438,175,906.14/26,572.87
  6. Step 6: Final answer
    x = 16,489.60

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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.