Home / 21,478.20-32,162.04-14,060.76

Finding the Fourth Proportional to 21,478.20, 32,162.04 and 14,060.76

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Solution

The fourth proportional to 21,478.20, 32,162.04 and 14,060.76 is: 21,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,478.20 : 32,162.04 = 14,060.76 : x
  2. Step 2: Convert to fraction form
    21,478.20/32,162.04 = 14,060.76/x
  3. Step 3: Cross multiply
    21,478.20x = 32,162.04 × 14,060.76
  4. Step 4: Simplify right side
    21,478.20x = 452,222,725.55
  5. Step 5: Solve for x
    x = 452,222,725.55/21,478.20
  6. Step 6: Final answer
    x = 21,054.96

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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.