Home / 27,696.48-38,222.40-15,761.04

Finding the Fourth Proportional to 27,696.48, 38,222.40 and 15,761.04

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Solution

The fourth proportional to 27,696.48, 38,222.40 and 15,761.04 is: 21,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,696.48 : 38,222.40 = 15,761.04 : x
  2. Step 2: Convert to fraction form
    27,696.48/38,222.40 = 15,761.04/x
  3. Step 3: Cross multiply
    27,696.48x = 38,222.40 × 15,761.04
  4. Step 4: Simplify right side
    27,696.48x = 602,424,775.30
  5. Step 5: Solve for x
    x = 602,424,775.30/27,696.48
  6. Step 6: Final answer
    x = 21,750.95

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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.