Home / 25,237.20-37,855.80-18,238.80

Finding the Fourth Proportional to 25,237.20, 37,855.80 and 18,238.80

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Solution

The fourth proportional to 25,237.20, 37,855.80 and 18,238.80 is: 27,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,237.20 : 37,855.80 = 18,238.80 : x
  2. Step 2: Convert to fraction form
    25,237.20/37,855.80 = 18,238.80/x
  3. Step 3: Cross multiply
    25,237.20x = 37,855.80 × 18,238.80
  4. Step 4: Simplify right side
    25,237.20x = 690,444,365.04
  5. Step 5: Solve for x
    x = 690,444,365.04/25,237.20
  6. Step 6: Final answer
    x = 27,358.20

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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.