Home / 22,046.18-30,427.44-21,317.18

Finding the Fourth Proportional to 22,046.18, 30,427.44 and 21,317.18

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Solution

The fourth proportional to 22,046.18, 30,427.44 and 21,317.18 is: 29,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,046.18 : 30,427.44 = 21,317.18 : x
  2. Step 2: Convert to fraction form
    22,046.18/30,427.44 = 21,317.18/x
  3. Step 3: Cross multiply
    22,046.18x = 30,427.44 × 21,317.18
  4. Step 4: Simplify right side
    22,046.18x = 648,627,215.42
  5. Step 5: Solve for x
    x = 648,627,215.42/22,046.18
  6. Step 6: Final answer
    x = 29,421.30

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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.