Home / 55,321.18-82,994.10-15,875.21

Finding the Fourth Proportional to 55,321.18, 82,994.10 and 15,875.21

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Solution

The fourth proportional to 55,321.18, 82,994.10 and 15,875.21 is: 23,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,321.18 : 82,994.10 = 15,875.21 : x
  2. Step 2: Convert to fraction form
    55,321.18/82,994.10 = 15,875.21/x
  3. Step 3: Cross multiply
    55,321.18x = 82,994.10 × 15,875.21
  4. Step 4: Simplify right side
    55,321.18x = 1,317,548,766.26
  5. Step 5: Solve for x
    x = 1,317,548,766.26/55,321.18
  6. Step 6: Final answer
    x = 23,816.36

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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.