Home / 21,714.15-32,497.27-18,208.13

Finding the Fourth Proportional to 21,714.15, 32,497.27 and 18,208.13

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Solution

The fourth proportional to 21,714.15, 32,497.27 and 18,208.13 is: 27,250.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,714.15 : 32,497.27 = 18,208.13 : x
  2. Step 2: Convert to fraction form
    21,714.15/32,497.27 = 18,208.13/x
  3. Step 3: Cross multiply
    21,714.15x = 32,497.27 × 18,208.13
  4. Step 4: Simplify right side
    21,714.15x = 591,714,308.80
  5. Step 5: Solve for x
    x = 591,714,308.80/21,714.15
  6. Step 6: Final answer
    x = 27,250.17

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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.