Home / 26,463.26-36,513.54-15,278.78

Finding the Fourth Proportional to 26,463.26, 36,513.54 and 15,278.78

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Solution

The fourth proportional to 26,463.26, 36,513.54 and 15,278.78 is: 21,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,463.26 : 36,513.54 = 15,278.78 : x
  2. Step 2: Convert to fraction form
    26,463.26/36,513.54 = 15,278.78/x
  3. Step 3: Cross multiply
    26,463.26x = 36,513.54 × 15,278.78
  4. Step 4: Simplify right side
    26,463.26x = 557,882,344.68
  5. Step 5: Solve for x
    x = 557,882,344.68/26,463.26
  6. Step 6: Final answer
    x = 21,081.39

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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.