Home / 26,490.71-36,513.27-25,789.56

Finding the Fourth Proportional to 26,490.71, 36,513.27 and 25,789.56

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Solution

The fourth proportional to 26,490.71, 36,513.27 and 25,789.56 is: 35,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.71 : 36,513.27 = 25,789.56 : x
  2. Step 2: Convert to fraction form
    26,490.71/36,513.27 = 25,789.56/x
  3. Step 3: Cross multiply
    26,490.71x = 36,513.27 × 25,789.56
  4. Step 4: Simplify right side
    26,490.71x = 941,661,167.46
  5. Step 5: Solve for x
    x = 941,661,167.46/26,490.71
  6. Step 6: Final answer
    x = 35,546.85

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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.