Home / 19,778.75-27,282.08-13,808.24

Finding the Fourth Proportional to 19,778.75, 27,282.08 and 13,808.24

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Solution

The fourth proportional to 19,778.75, 27,282.08 and 13,808.24 is: 19,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.75 : 27,282.08 = 13,808.24 : x
  2. Step 2: Convert to fraction form
    19,778.75/27,282.08 = 13,808.24/x
  3. Step 3: Cross multiply
    19,778.75x = 27,282.08 × 13,808.24
  4. Step 4: Simplify right side
    19,778.75x = 376,717,302.89
  5. Step 5: Solve for x
    x = 376,717,302.89/19,778.75
  6. Step 6: Final answer
    x = 19,046.57

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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.