Home / 27,535.20-41,302.80-19,816.80

Finding the Fourth Proportional to 27,535.20, 41,302.80 and 19,816.80

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Solution

The fourth proportional to 27,535.20, 41,302.80 and 19,816.80 is: 29,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,535.20 : 41,302.80 = 19,816.80 : x
  2. Step 2: Convert to fraction form
    27,535.20/41,302.80 = 19,816.80/x
  3. Step 3: Cross multiply
    27,535.20x = 41,302.80 × 19,816.80
  4. Step 4: Simplify right side
    27,535.20x = 818,489,327.04
  5. Step 5: Solve for x
    x = 818,489,327.04/27,535.20
  6. Step 6: Final answer
    x = 29,725.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.