Home / 27,122.46-40,683.72-17,770.26

Finding the Fourth Proportional to 27,122.46, 40,683.72 and 17,770.26

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Solution

The fourth proportional to 27,122.46, 40,683.72 and 17,770.26 is: 26,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,122.46 : 40,683.72 = 17,770.26 : x
  2. Step 2: Convert to fraction form
    27,122.46/40,683.72 = 17,770.26/x
  3. Step 3: Cross multiply
    27,122.46x = 40,683.72 × 17,770.26
  4. Step 4: Simplify right side
    27,122.46x = 722,960,282.17
  5. Step 5: Solve for x
    x = 722,960,282.17/27,122.46
  6. Step 6: Final answer
    x = 26,655.41

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1.5x scale

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.