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Finding the Fourth Proportional to 26,952.20, 40,428.30 and 22,578.20

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Solution

The fourth proportional to 26,952.20, 40,428.30 and 22,578.20 is: 33,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,952.20 : 40,428.30 = 22,578.20 : x
  2. Step 2: Convert to fraction form
    26,952.20/40,428.30 = 22,578.20/x
  3. Step 3: Cross multiply
    26,952.20x = 40,428.30 × 22,578.20
  4. Step 4: Simplify right side
    26,952.20x = 912,798,243.06
  5. Step 5: Solve for x
    x = 912,798,243.06/26,952.20
  6. Step 6: Final answer
    x = 33,867.30

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Similar ratio
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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.