Home / 25,509.80-38,272.26-12,192.76

Finding the Fourth Proportional to 25,509.80, 38,272.26 and 12,192.76

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Solution

The fourth proportional to 25,509.80, 38,272.26 and 12,192.76 is: 18,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509.80 : 38,272.26 = 12,192.76 : x
  2. Step 2: Convert to fraction form
    25,509.80/38,272.26 = 12,192.76/x
  3. Step 3: Cross multiply
    25,509.80x = 38,272.26 × 12,192.76
  4. Step 4: Simplify right side
    25,509.80x = 466,644,480.84
  5. Step 5: Solve for x
    x = 466,644,480.84/25,509.80
  6. Step 6: Final answer
    x = 18,292.75

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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.