Home / 26,964.90-40,348.80-15,876.72

Finding the Fourth Proportional to 26,964.90, 40,348.80 and 15,876.72

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Solution

The fourth proportional to 26,964.90, 40,348.80 and 15,876.72 is: 23,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,964.90 : 40,348.80 = 15,876.72 : x
  2. Step 2: Convert to fraction form
    26,964.90/40,348.80 = 15,876.72/x
  3. Step 3: Cross multiply
    26,964.90x = 40,348.80 × 15,876.72
  4. Step 4: Simplify right side
    26,964.90x = 640,606,599.94
  5. Step 5: Solve for x
    x = 640,606,599.94/26,964.90
  6. Step 6: Final answer
    x = 23,757.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.