Home / 27,632.25-38,132.51-15,057

Finding the Fourth Proportional to 27,632.25, 38,132.51 and 15,057

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Solution

The fourth proportional to 27,632.25, 38,132.51 and 15,057 is: 20,778.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,632.25 : 38,132.51 = 15,057 : x
  2. Step 2: Convert to fraction form
    27,632.25/38,132.51 = 15,057/x
  3. Step 3: Cross multiply
    27,632.25x = 38,132.51 × 15,057
  4. Step 4: Simplify right side
    27,632.25x = 574,161,127.79
  5. Step 5: Solve for x
    x = 574,161,127.79/27,632.25
  6. Step 6: Final answer
    x = 20,778.66

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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.