Home / 19,272.30-28,908.05-8,884.05

Finding the Fourth Proportional to 19,272.30, 28,908.05 and 8,884.05

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Solution

The fourth proportional to 19,272.30, 28,908.05 and 8,884.05 is: 13,325.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,272.30 : 28,908.05 = 8,884.05 : x
  2. Step 2: Convert to fraction form
    19,272.30/28,908.05 = 8,884.05/x
  3. Step 3: Cross multiply
    19,272.30x = 28,908.05 × 8,884.05
  4. Step 4: Simplify right side
    19,272.30x = 256,820,517.18
  5. Step 5: Solve for x
    x = 256,820,517.18/19,272.30
  6. Step 6: Final answer
    x = 13,325.89

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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.