Home / 27,885.38-38,482.25-15,310.13

Finding the Fourth Proportional to 27,885.38, 38,482.25 and 15,310.13

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Solution

The fourth proportional to 27,885.38, 38,482.25 and 15,310.13 is: 21,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.38 : 38,482.25 = 15,310.13 : x
  2. Step 2: Convert to fraction form
    27,885.38/38,482.25 = 15,310.13/x
  3. Step 3: Cross multiply
    27,885.38x = 38,482.25 × 15,310.13
  4. Step 4: Simplify right side
    27,885.38x = 589,167,981.23
  5. Step 5: Solve for x
    x = 589,167,981.23/27,885.38
  6. Step 6: Final answer
    x = 21,128.21

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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.