Home / 26,471.91-39,708.81-13,317.11

Finding the Fourth Proportional to 26,471.91, 39,708.81 and 13,317.11

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Solution

The fourth proportional to 26,471.91, 39,708.81 and 13,317.11 is: 19,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471.91 : 39,708.81 = 13,317.11 : x
  2. Step 2: Convert to fraction form
    26,471.91/39,708.81 = 13,317.11/x
  3. Step 3: Cross multiply
    26,471.91x = 39,708.81 × 13,317.11
  4. Step 4: Simplify right side
    26,471.91x = 528,806,392.20
  5. Step 5: Solve for x
    x = 528,806,392.20/26,471.91
  6. Step 6: Final answer
    x = 19,976.13

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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.