Home / 21,528.22-32,292.65-14,179.74

Finding the Fourth Proportional to 21,528.22, 32,292.65 and 14,179.74

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Solution

The fourth proportional to 21,528.22, 32,292.65 and 14,179.74 is: 21,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528.22 : 32,292.65 = 14,179.74 : x
  2. Step 2: Convert to fraction form
    21,528.22/32,292.65 = 14,179.74/x
  3. Step 3: Cross multiply
    21,528.22x = 32,292.65 × 14,179.74
  4. Step 4: Simplify right side
    21,528.22x = 457,901,380.91
  5. Step 5: Solve for x
    x = 457,901,380.91/21,528.22
  6. Step 6: Final answer
    x = 21,269.82

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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.