Home / 26,487.44-36,555.84-15,876.72

Finding the Fourth Proportional to 26,487.44, 36,555.84 and 15,876.72

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Solution

The fourth proportional to 26,487.44, 36,555.84 and 15,876.72 is: 21,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,487.44 : 36,555.84 = 15,876.72 : x
  2. Step 2: Convert to fraction form
    26,487.44/36,555.84 = 15,876.72/x
  3. Step 3: Cross multiply
    26,487.44x = 36,555.84 × 15,876.72
  4. Step 4: Simplify right side
    26,487.44x = 580,386,836.04
  5. Step 5: Solve for x
    x = 580,386,836.04/26,487.44
  6. Step 6: Final answer
    x = 21,911.78

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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.