Home / 17,768.64-26,650.84-13,823.85

Finding the Fourth Proportional to 17,768.64, 26,650.84 and 13,823.85

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Solution

The fourth proportional to 17,768.64, 26,650.84 and 13,823.85 is: 20,734.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.64 : 26,650.84 = 13,823.85 : x
  2. Step 2: Convert to fraction form
    17,768.64/26,650.84 = 13,823.85/x
  3. Step 3: Cross multiply
    17,768.64x = 26,650.84 × 13,823.85
  4. Step 4: Simplify right side
    17,768.64x = 368,417,214.53
  5. Step 5: Solve for x
    x = 368,417,214.53/17,768.64
  6. Step 6: Final answer
    x = 20,734.13

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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.