Home / 26,872.02-40,297.50-15,781.50

Finding the Fourth Proportional to 26,872.02, 40,297.50 and 15,781.50

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Solution

The fourth proportional to 26,872.02, 40,297.50 and 15,781.50 is: 23,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.02 : 40,297.50 = 15,781.50 : x
  2. Step 2: Convert to fraction form
    26,872.02/40,297.50 = 15,781.50/x
  3. Step 3: Cross multiply
    26,872.02x = 40,297.50 × 15,781.50
  4. Step 4: Simplify right side
    26,872.02x = 635,954,996.25
  5. Step 5: Solve for x
    x = 635,954,996.25/26,872.02
  6. Step 6: Final answer
    x = 23,666.07

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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.