Home / 26,665.20-36,800.88-15,335.28

Finding the Fourth Proportional to 26,665.20, 36,800.88 and 15,335.28

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Solution

The fourth proportional to 26,665.20, 36,800.88 and 15,335.28 is: 21,164.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,665.20 : 36,800.88 = 15,335.28 : x
  2. Step 2: Convert to fraction form
    26,665.20/36,800.88 = 15,335.28/x
  3. Step 3: Cross multiply
    26,665.20x = 36,800.88 × 15,335.28
  4. Step 4: Simplify right side
    26,665.20x = 564,351,799.05
  5. Step 5: Solve for x
    x = 564,351,799.05/26,665.20
  6. Step 6: Final answer
    x = 21,164.36

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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.