Home / 27,615.52-41,428.44-15,128.66

Finding the Fourth Proportional to 27,615.52, 41,428.44 and 15,128.66

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Solution

The fourth proportional to 27,615.52, 41,428.44 and 15,128.66 is: 22,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,615.52 : 41,428.44 = 15,128.66 : x
  2. Step 2: Convert to fraction form
    27,615.52/41,428.44 = 15,128.66/x
  3. Step 3: Cross multiply
    27,615.52x = 41,428.44 × 15,128.66
  4. Step 4: Simplify right side
    27,615.52x = 626,756,783.09
  5. Step 5: Solve for x
    x = 626,756,783.09/27,615.52
  6. Step 6: Final answer
    x = 22,695.82

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1.5x scale

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.