Home / 21,714.60-32,717.88-19,636.95

Finding the Fourth Proportional to 21,714.60, 32,717.88 and 19,636.95

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Solution

The fourth proportional to 21,714.60, 32,717.88 and 19,636.95 is: 29,587.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,714.60 : 32,717.88 = 19,636.95 : x
  2. Step 2: Convert to fraction form
    21,714.60/32,717.88 = 19,636.95/x
  3. Step 3: Cross multiply
    21,714.60x = 32,717.88 × 19,636.95
  4. Step 4: Simplify right side
    21,714.60x = 642,479,373.67
  5. Step 5: Solve for x
    x = 642,479,373.67/21,714.60
  6. Step 6: Final answer
    x = 29,587.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.