Home / 26,983.80-40,398.66-21,445.02

Finding the Fourth Proportional to 26,983.80, 40,398.66 and 21,445.02

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Solution

The fourth proportional to 26,983.80, 40,398.66 and 21,445.02 is: 32,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,983.80 : 40,398.66 = 21,445.02 : x
  2. Step 2: Convert to fraction form
    26,983.80/40,398.66 = 21,445.02/x
  3. Step 3: Cross multiply
    26,983.80x = 40,398.66 × 21,445.02
  4. Step 4: Simplify right side
    26,983.80x = 866,350,071.67
  5. Step 5: Solve for x
    x = 866,350,071.67/26,983.80
  6. Step 6: Final answer
    x = 32,106.30

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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.