Home / 28,943.69-39,961.24-22,264.23

Finding the Fourth Proportional to 28,943.69, 39,961.24 and 22,264.23

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Solution

The fourth proportional to 28,943.69, 39,961.24 and 22,264.23 is: 30,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.69 : 39,961.24 = 22,264.23 : x
  2. Step 2: Convert to fraction form
    28,943.69/39,961.24 = 22,264.23/x
  3. Step 3: Cross multiply
    28,943.69x = 39,961.24 × 22,264.23
  4. Step 4: Simplify right side
    28,943.69x = 889,706,182.78
  5. Step 5: Solve for x
    x = 889,706,182.78/28,943.69
  6. Step 6: Final answer
    x = 30,739.21

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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.