Home / 26,288.26-36,278.81-15,677.66

Finding the Fourth Proportional to 26,288.26, 36,278.81 and 15,677.66

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Solution

The fourth proportional to 26,288.26, 36,278.81 and 15,677.66 is: 21,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,288.26 : 36,278.81 = 15,677.66 : x
  2. Step 2: Convert to fraction form
    26,288.26/36,278.81 = 15,677.66/x
  3. Step 3: Cross multiply
    26,288.26x = 36,278.81 × 15,677.66
  4. Step 4: Simplify right side
    26,288.26x = 568,766,848.38
  5. Step 5: Solve for x
    x = 568,766,848.38/26,288.26
  6. Step 6: Final answer
    x = 21,635.77

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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.