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Finding the Fourth Proportional to 71,525.86, 107,270.72 and 26,522.49

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Solution

The fourth proportional to 71,525.86, 107,270.72 and 26,522.49 is: 39,777.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,525.86 : 107,270.72 = 26,522.49 : x
  2. Step 2: Convert to fraction form
    71,525.86/107,270.72 = 26,522.49/x
  3. Step 3: Cross multiply
    71,525.86x = 107,270.72 × 26,522.49
  4. Step 4: Simplify right side
    71,525.86x = 2,845,086,598.49
  5. Step 5: Solve for x
    x = 2,845,086,598.49/71,525.86
  6. Step 6: Final answer
    x = 39,777.03

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1.5x scale

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.