Home / 55,017.90-82,517.67-15,565.23

Finding the Fourth Proportional to 55,017.90, 82,517.67 and 15,565.23

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Solution

The fourth proportional to 55,017.90, 82,517.67 and 15,565.23 is: 23,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,017.90 : 82,517.67 = 15,565.23 : x
  2. Step 2: Convert to fraction form
    55,017.90/82,517.67 = 15,565.23/x
  3. Step 3: Cross multiply
    55,017.90x = 82,517.67 × 15,565.23
  4. Step 4: Simplify right side
    55,017.90x = 1,284,406,512.61
  5. Step 5: Solve for x
    x = 1,284,406,512.61/55,017.90
  6. Step 6: Final answer
    x = 23,345.25

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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.