Home / 22,228.80-33,326.64-7,428.96

Finding the Fourth Proportional to 22,228.80, 33,326.64 and 7,428.96

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Solution

The fourth proportional to 22,228.80, 33,326.64 and 7,428.96 is: 11,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.80 : 33,326.64 = 7,428.96 : x
  2. Step 2: Convert to fraction form
    22,228.80/33,326.64 = 7,428.96/x
  3. Step 3: Cross multiply
    22,228.80x = 33,326.64 × 7,428.96
  4. Step 4: Simplify right side
    22,228.80x = 247,582,275.49
  5. Step 5: Solve for x
    x = 247,582,275.49/22,228.80
  6. Step 6: Final answer
    x = 11,137.91

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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.