Home / 25,401-35,045.28-16,455.36

Finding the Fourth Proportional to 25,401, 35,045.28 and 16,455.36

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Solution

The fourth proportional to 25,401, 35,045.28 and 16,455.36 is: 22,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,401 : 35,045.28 = 16,455.36 : x
  2. Step 2: Convert to fraction form
    25,401/35,045.28 = 16,455.36/x
  3. Step 3: Cross multiply
    25,401x = 35,045.28 × 16,455.36
  4. Step 4: Simplify right side
    25,401x = 576,682,698.70
  5. Step 5: Solve for x
    x = 576,682,698.70/25,401
  6. Step 6: Final answer
    x = 22,703.15

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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.