Home / 26,479.09-36,540.01-15,874.57

Finding the Fourth Proportional to 26,479.09, 36,540.01 and 15,874.57

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Solution

The fourth proportional to 26,479.09, 36,540.01 and 15,874.57 is: 21,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.09 : 36,540.01 = 15,874.57 : x
  2. Step 2: Convert to fraction form
    26,479.09/36,540.01 = 15,874.57/x
  3. Step 3: Cross multiply
    26,479.09x = 36,540.01 × 15,874.57
  4. Step 4: Simplify right side
    26,479.09x = 580,056,946.55
  5. Step 5: Solve for x
    x = 580,056,946.55/26,479.09
  6. Step 6: Final answer
    x = 21,906.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.