Home / 55,322.18-82,995.60-15,876.21

Finding the Fourth Proportional to 55,322.18, 82,995.60 and 15,876.21

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Solution

The fourth proportional to 55,322.18, 82,995.60 and 15,876.21 is: 23,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,322.18 : 82,995.60 = 15,876.21 : x
  2. Step 2: Convert to fraction form
    55,322.18/82,995.60 = 15,876.21/x
  3. Step 3: Cross multiply
    55,322.18x = 82,995.60 × 15,876.21
  4. Step 4: Simplify right side
    55,322.18x = 1,317,655,574.68
  5. Step 5: Solve for x
    x = 1,317,655,574.68/55,322.18
  6. Step 6: Final answer
    x = 23,817.85

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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.