Home / 21,679.52-32,520.54-8,528.36

Finding the Fourth Proportional to 21,679.52, 32,520.54 and 8,528.36

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Solution

The fourth proportional to 21,679.52, 32,520.54 and 8,528.36 is: 12,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,679.52 : 32,520.54 = 8,528.36 : x
  2. Step 2: Convert to fraction form
    21,679.52/32,520.54 = 8,528.36/x
  3. Step 3: Cross multiply
    21,679.52x = 32,520.54 × 8,528.36
  4. Step 4: Simplify right side
    21,679.52x = 277,346,872.51
  5. Step 5: Solve for x
    x = 277,346,872.51/21,679.52
  6. Step 6: Final answer
    x = 12,793.04

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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.