Home / 27,152.82-37,470.42-15,217.20

Finding the Fourth Proportional to 27,152.82, 37,470.42 and 15,217.20

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Solution

The fourth proportional to 27,152.82, 37,470.42 and 15,217.20 is: 20,999.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,152.82 : 37,470.42 = 15,217.20 : x
  2. Step 2: Convert to fraction form
    27,152.82/37,470.42 = 15,217.20/x
  3. Step 3: Cross multiply
    27,152.82x = 37,470.42 × 15,217.20
  4. Step 4: Simplify right side
    27,152.82x = 570,194,875.22
  5. Step 5: Solve for x
    x = 570,194,875.22/27,152.82
  6. Step 6: Final answer
    x = 20,999.47

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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.