Home / 22,988.94-31,728.50-19,154.49

Finding the Fourth Proportional to 22,988.94, 31,728.50 and 19,154.49

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Solution

The fourth proportional to 22,988.94, 31,728.50 and 19,154.49 is: 26,436.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,988.94 : 31,728.50 = 19,154.49 : x
  2. Step 2: Convert to fraction form
    22,988.94/31,728.50 = 19,154.49/x
  3. Step 3: Cross multiply
    22,988.94x = 31,728.50 × 19,154.49
  4. Step 4: Simplify right side
    22,988.94x = 607,743,331.00
  5. Step 5: Solve for x
    x = 607,743,331.00/22,988.94
  6. Step 6: Final answer
    x = 26,436.33

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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.