Home / 25,571.12-38,350.56-9,772.88

Finding the Fourth Proportional to 25,571.12, 38,350.56 and 9,772.88

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Solution

The fourth proportional to 25,571.12, 38,350.56 and 9,772.88 is: 14,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571.12 : 38,350.56 = 9,772.88 : x
  2. Step 2: Convert to fraction form
    25,571.12/38,350.56 = 9,772.88/x
  3. Step 3: Cross multiply
    25,571.12x = 38,350.56 × 9,772.88
  4. Step 4: Simplify right side
    25,571.12x = 374,795,420.81
  5. Step 5: Solve for x
    x = 374,795,420.81/25,571.12
  6. Step 6: Final answer
    x = 14,656.98

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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.