Home / 26,680.89-36,815.88-15,346.08

Finding the Fourth Proportional to 26,680.89, 36,815.88 and 15,346.08

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Solution

The fourth proportional to 26,680.89, 36,815.88 and 15,346.08 is: 21,175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,680.89 : 36,815.88 = 15,346.08 : x
  2. Step 2: Convert to fraction form
    26,680.89/36,815.88 = 15,346.08/x
  3. Step 3: Cross multiply
    26,680.89x = 36,815.88 × 15,346.08
  4. Step 4: Simplify right side
    26,680.89x = 564,979,439.75
  5. Step 5: Solve for x
    x = 564,979,439.75/26,680.89
  6. Step 6: Final answer
    x = 21,175.43

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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.