Home / 27,963.80-38,595.58-16,035.20

Finding the Fourth Proportional to 27,963.80, 38,595.58 and 16,035.20

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Solution

The fourth proportional to 27,963.80, 38,595.58 and 16,035.20 is: 22,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,963.80 : 38,595.58 = 16,035.20 : x
  2. Step 2: Convert to fraction form
    27,963.80/38,595.58 = 16,035.20/x
  3. Step 3: Cross multiply
    27,963.80x = 38,595.58 × 16,035.20
  4. Step 4: Simplify right side
    27,963.80x = 618,887,844.42
  5. Step 5: Solve for x
    x = 618,887,844.42/27,963.80
  6. Step 6: Final answer
    x = 22,131.75

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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.