Home / 25,571.20-38,356.80-8,046.40

Finding the Fourth Proportional to 25,571.20, 38,356.80 and 8,046.40

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Solution

The fourth proportional to 25,571.20, 38,356.80 and 8,046.40 is: 12,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571.20 : 38,356.80 = 8,046.40 : x
  2. Step 2: Convert to fraction form
    25,571.20/38,356.80 = 8,046.40/x
  3. Step 3: Cross multiply
    25,571.20x = 38,356.80 × 8,046.40
  4. Step 4: Simplify right side
    25,571.20x = 308,634,155.52
  5. Step 5: Solve for x
    x = 308,634,155.52/25,571.20
  6. Step 6: Final answer
    x = 12,069.60

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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.