Home / 25,268.11-34,870.16-13,938.03

Finding the Fourth Proportional to 25,268.11, 34,870.16 and 13,938.03

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Solution

The fourth proportional to 25,268.11, 34,870.16 and 13,938.03 is: 19,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,268.11 : 34,870.16 = 13,938.03 : x
  2. Step 2: Convert to fraction form
    25,268.11/34,870.16 = 13,938.03/x
  3. Step 3: Cross multiply
    25,268.11x = 34,870.16 × 13,938.03
  4. Step 4: Simplify right side
    25,268.11x = 486,021,371.03
  5. Step 5: Solve for x
    x = 486,021,371.03/25,268.11
  6. Step 6: Final answer
    x = 19,234.58

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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.