Home / 27,624.89-38,136.80-21,562.13

Finding the Fourth Proportional to 27,624.89, 38,136.80 and 21,562.13

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Solution

The fourth proportional to 27,624.89, 38,136.80 and 21,562.13 is: 29,767.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,624.89 : 38,136.80 = 21,562.13 : x
  2. Step 2: Convert to fraction form
    27,624.89/38,136.80 = 21,562.13/x
  3. Step 3: Cross multiply
    27,624.89x = 38,136.80 × 21,562.13
  4. Step 4: Simplify right side
    27,624.89x = 822,310,531.57
  5. Step 5: Solve for x
    x = 822,310,531.57/27,624.89
  6. Step 6: Final answer
    x = 29,767.02

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Double 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.