Home / 21,608.18-32,356.19-18,508.14

Finding the Fourth Proportional to 21,608.18, 32,356.19 and 18,508.14

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Solution

The fourth proportional to 21,608.18, 32,356.19 and 18,508.14 is: 27,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608.18 : 32,356.19 = 18,508.14 : x
  2. Step 2: Convert to fraction form
    21,608.18/32,356.19 = 18,508.14/x
  3. Step 3: Cross multiply
    21,608.18x = 32,356.19 × 18,508.14
  4. Step 4: Simplify right side
    21,608.18x = 598,852,894.39
  5. Step 5: Solve for x
    x = 598,852,894.39/21,608.18
  6. Step 6: Final answer
    x = 27,714.18

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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.