Home / 25,679.33-38,539.08-13,198.85

Finding the Fourth Proportional to 25,679.33, 38,539.08 and 13,198.85

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Solution

The fourth proportional to 25,679.33, 38,539.08 and 13,198.85 is: 19,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,679.33 : 38,539.08 = 13,198.85 : x
  2. Step 2: Convert to fraction form
    25,679.33/38,539.08 = 13,198.85/x
  3. Step 3: Cross multiply
    25,679.33x = 38,539.08 × 13,198.85
  4. Step 4: Simplify right side
    25,679.33x = 508,671,536.06
  5. Step 5: Solve for x
    x = 508,671,536.06/25,679.33
  6. Step 6: Final answer
    x = 19,808.60

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1.5x scale

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.