Home / 27,143.76-37,464.86-15,972.24

Finding the Fourth Proportional to 27,143.76, 37,464.86 and 15,972.24

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Solution

The fourth proportional to 27,143.76, 37,464.86 and 15,972.24 is: 22,045.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.76 : 37,464.86 = 15,972.24 : x
  2. Step 2: Convert to fraction form
    27,143.76/37,464.86 = 15,972.24/x
  3. Step 3: Cross multiply
    27,143.76x = 37,464.86 × 15,972.24
  4. Step 4: Simplify right side
    27,143.76x = 598,397,735.49
  5. Step 5: Solve for x
    x = 598,397,735.49/27,143.76
  6. Step 6: Final answer
    x = 22,045.50

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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.