Home / 22,427.25-30,949.61-13,001.28

Finding the Fourth Proportional to 22,427.25, 30,949.61 and 13,001.28

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Solution

The fourth proportional to 22,427.25, 30,949.61 and 13,001.28 is: 17,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,427.25 : 30,949.61 = 13,001.28 : x
  2. Step 2: Convert to fraction form
    22,427.25/30,949.61 = 13,001.28/x
  3. Step 3: Cross multiply
    22,427.25x = 30,949.61 × 13,001.28
  4. Step 4: Simplify right side
    22,427.25x = 402,384,480.49
  5. Step 5: Solve for x
    x = 402,384,480.49/22,427.25
  6. Step 6: Final answer
    x = 17,941.77

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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.