Home / 23,808.78-32,855.40-13,197.78

Finding the Fourth Proportional to 23,808.78, 32,855.40 and 13,197.78

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Solution

The fourth proportional to 23,808.78, 32,855.40 and 13,197.78 is: 18,212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,808.78 : 32,855.40 = 13,197.78 : x
  2. Step 2: Convert to fraction form
    23,808.78/32,855.40 = 13,197.78/x
  3. Step 3: Cross multiply
    23,808.78x = 32,855.40 × 13,197.78
  4. Step 4: Simplify right side
    23,808.78x = 433,618,341.01
  5. Step 5: Solve for x
    x = 433,618,341.01/23,808.78
  6. Step 6: Final answer
    x = 18,212.54

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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.