Home / 27,880.35-38,473.85-15,133.26

Finding the Fourth Proportional to 27,880.35, 38,473.85 and 15,133.26

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Solution

The fourth proportional to 27,880.35, 38,473.85 and 15,133.26 is: 20,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.35 : 38,473.85 = 15,133.26 : x
  2. Step 2: Convert to fraction form
    27,880.35/38,473.85 = 15,133.26/x
  3. Step 3: Cross multiply
    27,880.35x = 38,473.85 × 15,133.26
  4. Step 4: Simplify right side
    27,880.35x = 582,234,871.44
  5. Step 5: Solve for x
    x = 582,234,871.44/27,880.35
  6. Step 6: Final answer
    x = 20,883.34

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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.