Home / 27,102.38-37,392.24-15,769.47

Finding the Fourth Proportional to 27,102.38, 37,392.24 and 15,769.47

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Solution

The fourth proportional to 27,102.38, 37,392.24 and 15,769.47 is: 21,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,102.38 : 37,392.24 = 15,769.47 : x
  2. Step 2: Convert to fraction form
    27,102.38/37,392.24 = 15,769.47/x
  3. Step 3: Cross multiply
    27,102.38x = 37,392.24 × 15,769.47
  4. Step 4: Simplify right side
    27,102.38x = 589,655,806.91
  5. Step 5: Solve for x
    x = 589,655,806.91/27,102.38
  6. Step 6: Final answer
    x = 21,756.61

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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.