Home / 27,632.72-38,133.17-15,057.47

Finding the Fourth Proportional to 27,632.72, 38,133.17 and 15,057.47

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Solution

The fourth proportional to 27,632.72, 38,133.17 and 15,057.47 is: 20,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,632.72 : 38,133.17 = 15,057.47 : x
  2. Step 2: Convert to fraction form
    27,632.72/38,133.17 = 15,057.47/x
  3. Step 3: Cross multiply
    27,632.72x = 38,133.17 × 15,057.47
  4. Step 4: Simplify right side
    27,632.72x = 574,188,853.79
  5. Step 5: Solve for x
    x = 574,188,853.79/27,632.72
  6. Step 6: Final answer
    x = 20,779.31

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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.