Home / 27,753.04-38,300.16-15,818.24

Finding the Fourth Proportional to 27,753.04, 38,300.16 and 15,818.24

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Solution

The fourth proportional to 27,753.04, 38,300.16 and 15,818.24 is: 21,829.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,753.04 : 38,300.16 = 15,818.24 : x
  2. Step 2: Convert to fraction form
    27,753.04/38,300.16 = 15,818.24/x
  3. Step 3: Cross multiply
    27,753.04x = 38,300.16 × 15,818.24
  4. Step 4: Simplify right side
    27,753.04x = 605,841,122.92
  5. Step 5: Solve for x
    x = 605,841,122.92/27,753.04
  6. Step 6: Final answer
    x = 21,829.72

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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.