Home / 22,765.62-31,420.56-17,379.21

Finding the Fourth Proportional to 22,765.62, 31,420.56 and 17,379.21

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Solution

The fourth proportional to 22,765.62, 31,420.56 and 17,379.21 is: 23,986.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.62 : 31,420.56 = 17,379.21 : x
  2. Step 2: Convert to fraction form
    22,765.62/31,420.56 = 17,379.21/x
  3. Step 3: Cross multiply
    22,765.62x = 31,420.56 × 17,379.21
  4. Step 4: Simplify right side
    22,765.62x = 546,064,510.56
  5. Step 5: Solve for x
    x = 546,064,510.56/22,765.62
  6. Step 6: Final answer
    x = 23,986.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.