Home / 22,365.45-30,895.82-21,184.47

Finding the Fourth Proportional to 22,365.45, 30,895.82 and 21,184.47

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Solution

The fourth proportional to 22,365.45, 30,895.82 and 21,184.47 is: 29,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,365.45 : 30,895.82 = 21,184.47 : x
  2. Step 2: Convert to fraction form
    22,365.45/30,895.82 = 21,184.47/x
  3. Step 3: Cross multiply
    22,365.45x = 30,895.82 × 21,184.47
  4. Step 4: Simplify right side
    22,365.45x = 654,511,571.92
  5. Step 5: Solve for x
    x = 654,511,571.92/22,365.45
  6. Step 6: Final answer
    x = 29,264.40

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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.