Home / 27,188.72-40,748.70-15,508.52

Finding the Fourth Proportional to 27,188.72, 40,748.70 and 15,508.52

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Solution

The fourth proportional to 27,188.72, 40,748.70 and 15,508.52 is: 23,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188.72 : 40,748.70 = 15,508.52 : x
  2. Step 2: Convert to fraction form
    27,188.72/40,748.70 = 15,508.52/x
  3. Step 3: Cross multiply
    27,188.72x = 40,748.70 × 15,508.52
  4. Step 4: Simplify right side
    27,188.72x = 631,952,028.92
  5. Step 5: Solve for x
    x = 631,952,028.92/27,188.72
  6. Step 6: Final answer
    x = 23,243.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.