Home / 27,764.53-38,315.36-15,017.96

Finding the Fourth Proportional to 27,764.53, 38,315.36 and 15,017.96

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Solution

The fourth proportional to 27,764.53, 38,315.36 and 15,017.96 is: 20,724.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,764.53 : 38,315.36 = 15,017.96 : x
  2. Step 2: Convert to fraction form
    27,764.53/38,315.36 = 15,017.96/x
  3. Step 3: Cross multiply
    27,764.53x = 38,315.36 × 15,017.96
  4. Step 4: Simplify right side
    27,764.53x = 575,418,564.56
  5. Step 5: Solve for x
    x = 575,418,564.56/27,764.53
  6. Step 6: Final answer
    x = 20,724.95

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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.