Home / 55,322.90-82,972.05-15,883.09

Finding the Fourth Proportional to 55,322.90, 82,972.05 and 15,883.09

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Solution

The fourth proportional to 55,322.90, 82,972.05 and 15,883.09 is: 23,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,322.90 : 82,972.05 = 15,883.09 : x
  2. Step 2: Convert to fraction form
    55,322.90/82,972.05 = 15,883.09/x
  3. Step 3: Cross multiply
    55,322.90x = 82,972.05 × 15,883.09
  4. Step 4: Simplify right side
    55,322.90x = 1,317,852,270.64
  5. Step 5: Solve for x
    x = 1,317,852,270.64/55,322.90
  6. Step 6: Final answer
    x = 23,821.10

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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.