Home / 25,728.45-38,564.52-13,249.23

Finding the Fourth Proportional to 25,728.45, 38,564.52 and 13,249.23

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Solution

The fourth proportional to 25,728.45, 38,564.52 and 13,249.23 is: 19,859.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728.45 : 38,564.52 = 13,249.23 : x
  2. Step 2: Convert to fraction form
    25,728.45/38,564.52 = 13,249.23/x
  3. Step 3: Cross multiply
    25,728.45x = 38,564.52 × 13,249.23
  4. Step 4: Simplify right side
    25,728.45x = 510,950,195.32
  5. Step 5: Solve for x
    x = 510,950,195.32/25,728.45
  6. Step 6: Final answer
    x = 19,859.35

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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.