Home / 26,705.82-36,856.80-15,375.72

Finding the Fourth Proportional to 26,705.82, 36,856.80 and 15,375.72

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Solution

The fourth proportional to 26,705.82, 36,856.80 and 15,375.72 is: 21,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,705.82 : 36,856.80 = 15,375.72 : x
  2. Step 2: Convert to fraction form
    26,705.82/36,856.80 = 15,375.72/x
  3. Step 3: Cross multiply
    26,705.82x = 36,856.80 × 15,375.72
  4. Step 4: Simplify right side
    26,705.82x = 566,699,836.90
  5. Step 5: Solve for x
    x = 566,699,836.90/26,705.82
  6. Step 6: Final answer
    x = 21,220.09

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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.