Home / 27,369.47-37,769.82-15,432.80

Finding the Fourth Proportional to 27,369.47, 37,769.82 and 15,432.80

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Solution

The fourth proportional to 27,369.47, 37,769.82 and 15,432.80 is: 21,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,369.47 : 37,769.82 = 15,432.80 : x
  2. Step 2: Convert to fraction form
    27,369.47/37,769.82 = 15,432.80/x
  3. Step 3: Cross multiply
    27,369.47x = 37,769.82 × 15,432.80
  4. Step 4: Simplify right side
    27,369.47x = 582,894,193.46
  5. Step 5: Solve for x
    x = 582,894,193.46/27,369.47
  6. Step 6: Final answer
    x = 21,297.24

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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.