Home / 87,674.09-131,527.64-28,526.68

Finding the Fourth Proportional to 87,674.09, 131,527.64 and 28,526.68

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Solution

The fourth proportional to 87,674.09, 131,527.64 and 28,526.68 is: 42,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,674.09 : 131,527.64 = 28,526.68 : x
  2. Step 2: Convert to fraction form
    87,674.09/131,527.64 = 28,526.68/x
  3. Step 3: Cross multiply
    87,674.09x = 131,527.64 × 28,526.68
  4. Step 4: Simplify right side
    87,674.09x = 3,752,046,897.44
  5. Step 5: Solve for x
    x = 3,752,046,897.44/87,674.09
  6. Step 6: Final answer
    x = 42,795.39

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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.