Home / 27,129.16-40,708.86-14,648.92

Finding the Fourth Proportional to 27,129.16, 40,708.86 and 14,648.92

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Solution

The fourth proportional to 27,129.16, 40,708.86 and 14,648.92 is: 21,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.16 : 40,708.86 = 14,648.92 : x
  2. Step 2: Convert to fraction form
    27,129.16/40,708.86 = 14,648.92/x
  3. Step 3: Cross multiply
    27,129.16x = 40,708.86 × 14,648.92
  4. Step 4: Simplify right side
    27,129.16x = 596,340,833.43
  5. Step 5: Solve for x
    x = 596,340,833.43/27,129.16
  6. Step 6: Final answer
    x = 21,981.54

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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.