Home / 27,487.50-37,932.76-15,550.58

Finding the Fourth Proportional to 27,487.50, 37,932.76 and 15,550.58

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Solution

The fourth proportional to 27,487.50, 37,932.76 and 15,550.58 is: 21,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,487.50 : 37,932.76 = 15,550.58 : x
  2. Step 2: Convert to fraction form
    27,487.50/37,932.76 = 15,550.58/x
  3. Step 3: Cross multiply
    27,487.50x = 37,932.76 × 15,550.58
  4. Step 4: Simplify right side
    27,487.50x = 589,876,419.00
  5. Step 5: Solve for x
    x = 589,876,419.00/27,487.50
  6. Step 6: Final answer
    x = 21,459.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.