Home / 27,543.62-38,009.41-15,610.82

Finding the Fourth Proportional to 27,543.62, 38,009.41 and 15,610.82

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Solution

The fourth proportional to 27,543.62, 38,009.41 and 15,610.82 is: 21,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,543.62 : 38,009.41 = 15,610.82 : x
  2. Step 2: Convert to fraction form
    27,543.62/38,009.41 = 15,610.82/x
  3. Step 3: Cross multiply
    27,543.62x = 38,009.41 × 15,610.82
  4. Step 4: Simplify right side
    27,543.62x = 593,357,828.74
  5. Step 5: Solve for x
    x = 593,357,828.74/27,543.62
  6. Step 6: Final answer
    x = 21,542.48

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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.