Home / 26,479.68-36,503.34-18,912.66

Finding the Fourth Proportional to 26,479.68, 36,503.34 and 18,912.66

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Solution

The fourth proportional to 26,479.68, 36,503.34 and 18,912.66 is: 26,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.68 : 36,503.34 = 18,912.66 : x
  2. Step 2: Convert to fraction form
    26,479.68/36,503.34 = 18,912.66/x
  3. Step 3: Cross multiply
    26,479.68x = 36,503.34 × 18,912.66
  4. Step 4: Simplify right side
    26,479.68x = 690,375,258.28
  5. Step 5: Solve for x
    x = 690,375,258.28/26,479.68
  6. Step 6: Final answer
    x = 26,071.89

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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.