Home / 27,696.52-38,222.04-15,761.58

Finding the Fourth Proportional to 27,696.52, 38,222.04 and 15,761.58

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Solution

The fourth proportional to 27,696.52, 38,222.04 and 15,761.58 is: 21,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,696.52 : 38,222.04 = 15,761.58 : x
  2. Step 2: Convert to fraction form
    27,696.52/38,222.04 = 15,761.58/x
  3. Step 3: Cross multiply
    27,696.52x = 38,222.04 × 15,761.58
  4. Step 4: Simplify right side
    27,696.52x = 602,439,550.11
  5. Step 5: Solve for x
    x = 602,439,550.11/27,696.52
  6. Step 6: Final answer
    x = 21,751.45

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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.