Home / 26,375.40-39,561.12-10,579.86

Finding the Fourth Proportional to 26,375.40, 39,561.12 and 10,579.86

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Solution

The fourth proportional to 26,375.40, 39,561.12 and 10,579.86 is: 15,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,375.40 : 39,561.12 = 10,579.86 : x
  2. Step 2: Convert to fraction form
    26,375.40/39,561.12 = 10,579.86/x
  3. Step 3: Cross multiply
    26,375.40x = 39,561.12 × 10,579.86
  4. Step 4: Simplify right side
    26,375.40x = 418,551,111.04
  5. Step 5: Solve for x
    x = 418,551,111.04/26,375.40
  6. Step 6: Final answer
    x = 15,869.00

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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.