Home / 28,422.23-39,220.98-16,324.68

Finding the Fourth Proportional to 28,422.23, 39,220.98 and 16,324.68

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Solution

The fourth proportional to 28,422.23, 39,220.98 and 16,324.68 is: 22,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,422.23 : 39,220.98 = 16,324.68 : x
  2. Step 2: Convert to fraction form
    28,422.23/39,220.98 = 16,324.68/x
  3. Step 3: Cross multiply
    28,422.23x = 39,220.98 × 16,324.68
  4. Step 4: Simplify right side
    28,422.23x = 640,269,947.79
  5. Step 5: Solve for x
    x = 640,269,947.79/28,422.23
  6. Step 6: Final answer
    x = 22,527.08

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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.