Home / 19,928.80-29,867.60-8,250.08

Finding the Fourth Proportional to 19,928.80, 29,867.60 and 8,250.08

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Solution

The fourth proportional to 19,928.80, 29,867.60 and 8,250.08 is: 12,364.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.80 : 29,867.60 = 8,250.08 : x
  2. Step 2: Convert to fraction form
    19,928.80/29,867.60 = 8,250.08/x
  3. Step 3: Cross multiply
    19,928.80x = 29,867.60 × 8,250.08
  4. Step 4: Simplify right side
    19,928.80x = 246,410,089.41
  5. Step 5: Solve for x
    x = 246,410,089.41/19,928.80
  6. Step 6: Final answer
    x = 12,364.52

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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.