Home / 27,887.04-38,473.14-15,943.96

Finding the Fourth Proportional to 27,887.04, 38,473.14 and 15,943.96

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Solution

The fourth proportional to 27,887.04, 38,473.14 and 15,943.96 is: 21,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.04 : 38,473.14 = 15,943.96 : x
  2. Step 2: Convert to fraction form
    27,887.04/38,473.14 = 15,943.96/x
  3. Step 3: Cross multiply
    27,887.04x = 38,473.14 × 15,943.96
  4. Step 4: Simplify right side
    27,887.04x = 613,414,205.23
  5. Step 5: Solve for x
    x = 613,414,205.23/27,887.04
  6. Step 6: Final answer
    x = 21,996.39

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Double scale
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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.