Home / 25,525.72-38,268.18-12,868.66

Finding the Fourth Proportional to 25,525.72, 38,268.18 and 12,868.66

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Solution

The fourth proportional to 25,525.72, 38,268.18 and 12,868.66 is: 19,292.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,525.72 : 38,268.18 = 12,868.66 : x
  2. Step 2: Convert to fraction form
    25,525.72/38,268.18 = 12,868.66/x
  3. Step 3: Cross multiply
    25,525.72x = 38,268.18 × 12,868.66
  4. Step 4: Simplify right side
    25,525.72x = 492,460,197.24
  5. Step 5: Solve for x
    x = 492,460,197.24/25,525.72
  6. Step 6: Final answer
    x = 19,292.71

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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.