Home / 27,744.30-38,277.74-15,799.16

Finding the Fourth Proportional to 27,744.30, 38,277.74 and 15,799.16

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Solution

The fourth proportional to 27,744.30, 38,277.74 and 15,799.16 is: 21,797.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,744.30 : 38,277.74 = 15,799.16 : x
  2. Step 2: Convert to fraction form
    27,744.30/38,277.74 = 15,799.16/x
  3. Step 3: Cross multiply
    27,744.30x = 38,277.74 × 15,799.16
  4. Step 4: Simplify right side
    27,744.30x = 604,756,138.70
  5. Step 5: Solve for x
    x = 604,756,138.70/27,744.30
  6. Step 6: Final answer
    x = 21,797.49

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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.