Home / 26,264.76-39,391.86-8,729.40

Finding the Fourth Proportional to 26,264.76, 39,391.86 and 8,729.40

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Solution

The fourth proportional to 26,264.76, 39,391.86 and 8,729.40 is: 13,092.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,264.76 : 39,391.86 = 8,729.40 : x
  2. Step 2: Convert to fraction form
    26,264.76/39,391.86 = 8,729.40/x
  3. Step 3: Cross multiply
    26,264.76x = 39,391.86 × 8,729.40
  4. Step 4: Simplify right side
    26,264.76x = 343,867,302.68
  5. Step 5: Solve for x
    x = 343,867,302.68/26,264.76
  6. Step 6: Final answer
    x = 13,092.35

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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.