Home / 25,165.28-34,728.50-13,835.25

Finding the Fourth Proportional to 25,165.28, 34,728.50 and 13,835.25

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Solution

The fourth proportional to 25,165.28, 34,728.50 and 13,835.25 is: 19,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,165.28 : 34,728.50 = 13,835.25 : x
  2. Step 2: Convert to fraction form
    25,165.28/34,728.50 = 13,835.25/x
  3. Step 3: Cross multiply
    25,165.28x = 34,728.50 × 13,835.25
  4. Step 4: Simplify right side
    25,165.28x = 480,477,514.21
  5. Step 5: Solve for x
    x = 480,477,514.21/25,165.28
  6. Step 6: Final answer
    x = 19,092.87

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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.