Home / 26,703.90-36,821.52-21,843.45

Finding the Fourth Proportional to 26,703.90, 36,821.52 and 21,843.45

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Solution

The fourth proportional to 26,703.90, 36,821.52 and 21,843.45 is: 30,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,703.90 : 36,821.52 = 21,843.45 : x
  2. Step 2: Convert to fraction form
    26,703.90/36,821.52 = 21,843.45/x
  3. Step 3: Cross multiply
    26,703.90x = 36,821.52 × 21,843.45
  4. Step 4: Simplify right side
    26,703.90x = 804,309,031.04
  5. Step 5: Solve for x
    x = 804,309,031.04/26,703.90
  6. Step 6: Final answer
    x = 30,119.53

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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.