Home / 27,862.74-38,450.28-15,287.48

Finding the Fourth Proportional to 27,862.74, 38,450.28 and 15,287.48

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Solution

The fourth proportional to 27,862.74, 38,450.28 and 15,287.48 is: 21,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,862.74 : 38,450.28 = 15,287.48 : x
  2. Step 2: Convert to fraction form
    27,862.74/38,450.28 = 15,287.48/x
  3. Step 3: Cross multiply
    27,862.74x = 38,450.28 × 15,287.48
  4. Step 4: Simplify right side
    27,862.74x = 587,807,886.49
  5. Step 5: Solve for x
    x = 587,807,886.49/27,862.74
  6. Step 6: Final answer
    x = 21,096.56

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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.