Home / 25,228.80-37,843.20-12,074.40

Finding the Fourth Proportional to 25,228.80, 37,843.20 and 12,074.40

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Solution

The fourth proportional to 25,228.80, 37,843.20 and 12,074.40 is: 18,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,228.80 : 37,843.20 = 12,074.40 : x
  2. Step 2: Convert to fraction form
    25,228.80/37,843.20 = 12,074.40/x
  3. Step 3: Cross multiply
    25,228.80x = 37,843.20 × 12,074.40
  4. Step 4: Simplify right side
    25,228.80x = 456,933,934.08
  5. Step 5: Solve for x
    x = 456,933,934.08/25,228.80
  6. Step 6: Final answer
    x = 18,111.60

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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.