Home / 26,278.90-39,418.35-22,342.30

Finding the Fourth Proportional to 26,278.90, 39,418.35 and 22,342.30

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Solution

The fourth proportional to 26,278.90, 39,418.35 and 22,342.30 is: 33,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.90 : 39,418.35 = 22,342.30 : x
  2. Step 2: Convert to fraction form
    26,278.90/39,418.35 = 22,342.30/x
  3. Step 3: Cross multiply
    26,278.90x = 39,418.35 × 22,342.30
  4. Step 4: Simplify right side
    26,278.90x = 880,696,601.21
  5. Step 5: Solve for x
    x = 880,696,601.21/26,278.90
  6. Step 6: Final answer
    x = 33,513.45

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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.