Home / 26,676.15-36,815.94-15,346.14

Finding the Fourth Proportional to 26,676.15, 36,815.94 and 15,346.14

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Solution

The fourth proportional to 26,676.15, 36,815.94 and 15,346.14 is: 21,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,676.15 : 36,815.94 = 15,346.14 : x
  2. Step 2: Convert to fraction form
    26,676.15/36,815.94 = 15,346.14/x
  3. Step 3: Cross multiply
    26,676.15x = 36,815.94 × 15,346.14
  4. Step 4: Simplify right side
    26,676.15x = 564,982,569.47
  5. Step 5: Solve for x
    x = 564,982,569.47/26,676.15
  6. Step 6: Final answer
    x = 21,179.31

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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.