Home / 27,702.76-38,240.40-18,796.36

Finding the Fourth Proportional to 27,702.76, 38,240.40 and 18,796.36

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Solution

The fourth proportional to 27,702.76, 38,240.40 and 18,796.36 is: 25,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,702.76 : 38,240.40 = 18,796.36 : x
  2. Step 2: Convert to fraction form
    27,702.76/38,240.40 = 18,796.36/x
  3. Step 3: Cross multiply
    27,702.76x = 38,240.40 × 18,796.36
  4. Step 4: Simplify right side
    27,702.76x = 718,780,324.94
  5. Step 5: Solve for x
    x = 718,780,324.94/27,702.76
  6. Step 6: Final answer
    x = 25,946.16

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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.