Home / 26,663.14-36,799.85-15,331.76

Finding the Fourth Proportional to 26,663.14, 36,799.85 and 15,331.76

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Solution

The fourth proportional to 26,663.14, 36,799.85 and 15,331.76 is: 21,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,663.14 : 36,799.85 = 15,331.76 : x
  2. Step 2: Convert to fraction form
    26,663.14/36,799.85 = 15,331.76/x
  3. Step 3: Cross multiply
    26,663.14x = 36,799.85 × 15,331.76
  4. Step 4: Simplify right side
    26,663.14x = 564,206,322.57
  5. Step 5: Solve for x
    x = 564,206,322.57/26,663.14
  6. Step 6: Final answer
    x = 21,160.54

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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.