Home / 27,808.79-38,377.08-15,233.54

Finding the Fourth Proportional to 27,808.79, 38,377.08 and 15,233.54

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Solution

The fourth proportional to 27,808.79, 38,377.08 and 15,233.54 is: 21,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808.79 : 38,377.08 = 15,233.54 : x
  2. Step 2: Convert to fraction form
    27,808.79/38,377.08 = 15,233.54/x
  3. Step 3: Cross multiply
    27,808.79x = 38,377.08 × 15,233.54
  4. Step 4: Simplify right side
    27,808.79x = 584,618,591.38
  5. Step 5: Solve for x
    x = 584,618,591.38/27,808.79
  6. Step 6: Final answer
    x = 21,022.80

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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.