Home / 71,341.21-107,013.03-26,988.85

Finding the Fourth Proportional to 71,341.21, 107,013.03 and 26,988.85

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Solution

The fourth proportional to 71,341.21, 107,013.03 and 26,988.85 is: 40,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,341.21 : 107,013.03 = 26,988.85 : x
  2. Step 2: Convert to fraction form
    71,341.21/107,013.03 = 26,988.85/x
  3. Step 3: Cross multiply
    71,341.21x = 107,013.03 × 26,988.85
  4. Step 4: Simplify right side
    71,341.21x = 2,888,158,614.72
  5. Step 5: Solve for x
    x = 2,888,158,614.72/71,341.21
  6. Step 6: Final answer
    x = 40,483.73

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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.