Home / 26,552.80-36,638.57-15,220.21

Finding the Fourth Proportional to 26,552.80, 36,638.57 and 15,220.21

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Solution

The fourth proportional to 26,552.80, 36,638.57 and 15,220.21 is: 21,001.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,552.80 : 36,638.57 = 15,220.21 : x
  2. Step 2: Convert to fraction form
    26,552.80/36,638.57 = 15,220.21/x
  3. Step 3: Cross multiply
    26,552.80x = 36,638.57 × 15,220.21
  4. Step 4: Simplify right side
    26,552.80x = 557,646,750.29
  5. Step 5: Solve for x
    x = 557,646,750.29/26,552.80
  6. Step 6: Final answer
    x = 21,001.43

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Half scale
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Double scale
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Similar ratio
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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.