Home / 28,017.22-41,982-23,840.05

Finding the Fourth Proportional to 28,017.22, 41,982 and 23,840.05

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Solution

The fourth proportional to 28,017.22, 41,982 and 23,840.05 is: 35,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,017.22 : 41,982 = 23,840.05 : x
  2. Step 2: Convert to fraction form
    28,017.22/41,982 = 23,840.05/x
  3. Step 3: Cross multiply
    28,017.22x = 41,982 × 23,840.05
  4. Step 4: Simplify right side
    28,017.22x = 1,000,852,979.10
  5. Step 5: Solve for x
    x = 1,000,852,979.10/28,017.22
  6. Step 6: Final answer
    x = 35,722.78

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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.