Home / 26,480.16-39,718.32-15,379.92

Finding the Fourth Proportional to 26,480.16, 39,718.32 and 15,379.92

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Solution

The fourth proportional to 26,480.16, 39,718.32 and 15,379.92 is: 23,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.16 : 39,718.32 = 15,379.92 : x
  2. Step 2: Convert to fraction form
    26,480.16/39,718.32 = 15,379.92/x
  3. Step 3: Cross multiply
    26,480.16x = 39,718.32 × 15,379.92
  4. Step 4: Simplify right side
    26,480.16x = 610,864,584.13
  5. Step 5: Solve for x
    x = 610,864,584.13/26,480.16
  6. Step 6: Final answer
    x = 23,068.76

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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.