Home / 27,955.40-38,577.84-16,025.78

Finding the Fourth Proportional to 27,955.40, 38,577.84 and 16,025.78

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Solution

The fourth proportional to 27,955.40, 38,577.84 and 16,025.78 is: 22,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,955.40 : 38,577.84 = 16,025.78 : x
  2. Step 2: Convert to fraction form
    27,955.40/38,577.84 = 16,025.78/x
  3. Step 3: Cross multiply
    27,955.40x = 38,577.84 × 16,025.78
  4. Step 4: Simplify right side
    27,955.40x = 618,239,976.72
  5. Step 5: Solve for x
    x = 618,239,976.72/27,955.40
  6. Step 6: Final answer
    x = 22,115.23

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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.