Home / 21,385.52-32,055.60-8,232.20

Finding the Fourth Proportional to 21,385.52, 32,055.60 and 8,232.20

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Solution

The fourth proportional to 21,385.52, 32,055.60 and 8,232.20 is: 12,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,385.52 : 32,055.60 = 8,232.20 : x
  2. Step 2: Convert to fraction form
    21,385.52/32,055.60 = 8,232.20/x
  3. Step 3: Cross multiply
    21,385.52x = 32,055.60 × 8,232.20
  4. Step 4: Simplify right side
    21,385.52x = 263,888,110.32
  5. Step 5: Solve for x
    x = 263,888,110.32/21,385.52
  6. Step 6: Final answer
    x = 12,339.57

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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.