Home / 27,773.80-38,328.30-15,199.24

Finding the Fourth Proportional to 27,773.80, 38,328.30 and 15,199.24

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Solution

The fourth proportional to 27,773.80, 38,328.30 and 15,199.24 is: 20,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,773.80 : 38,328.30 = 15,199.24 : x
  2. Step 2: Convert to fraction form
    27,773.80/38,328.30 = 15,199.24/x
  3. Step 3: Cross multiply
    27,773.80x = 38,328.30 × 15,199.24
  4. Step 4: Simplify right side
    27,773.80x = 582,561,030.49
  5. Step 5: Solve for x
    x = 582,561,030.49/27,773.80
  6. Step 6: Final answer
    x = 20,975.20

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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.