Home / 27,840.11-38,400.08-17,223.44

Finding the Fourth Proportional to 27,840.11, 38,400.08 and 17,223.44

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Solution

The fourth proportional to 27,840.11, 38,400.08 and 17,223.44 is: 23,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,840.11 : 38,400.08 = 17,223.44 : x
  2. Step 2: Convert to fraction form
    27,840.11/38,400.08 = 17,223.44/x
  3. Step 3: Cross multiply
    27,840.11x = 38,400.08 × 17,223.44
  4. Step 4: Simplify right side
    27,840.11x = 661,381,195.76
  5. Step 5: Solve for x
    x = 661,381,195.76/27,840.11
  6. Step 6: Final answer
    x = 23,756.42

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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.