Home / 27,801.93-38,366.19-15,864.96

Finding the Fourth Proportional to 27,801.93, 38,366.19 and 15,864.96

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Solution

The fourth proportional to 27,801.93, 38,366.19 and 15,864.96 is: 21,893.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801.93 : 38,366.19 = 15,864.96 : x
  2. Step 2: Convert to fraction form
    27,801.93/38,366.19 = 15,864.96/x
  3. Step 3: Cross multiply
    27,801.93x = 38,366.19 × 15,864.96
  4. Step 4: Simplify right side
    27,801.93x = 608,678,069.70
  5. Step 5: Solve for x
    x = 608,678,069.70/27,801.93
  6. Step 6: Final answer
    x = 21,893.37

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Half 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.