Home / 22,289.87-33,434.82-20,813.65

Finding the Fourth Proportional to 22,289.87, 33,434.82 and 20,813.65

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Solution

The fourth proportional to 22,289.87, 33,434.82 and 20,813.65 is: 31,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,289.87 : 33,434.82 = 20,813.65 : x
  2. Step 2: Convert to fraction form
    22,289.87/33,434.82 = 20,813.65/x
  3. Step 3: Cross multiply
    22,289.87x = 33,434.82 × 20,813.65
  4. Step 4: Simplify right side
    22,289.87x = 695,900,557.71
  5. Step 5: Solve for x
    x = 695,900,557.71/22,289.87
  6. Step 6: Final answer
    x = 31,220.48

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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.