Home / 25,014.40-34,509.17-14,401.78

Finding the Fourth Proportional to 25,014.40, 34,509.17 and 14,401.78

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Solution

The fourth proportional to 25,014.40, 34,509.17 and 14,401.78 is: 19,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,014.40 : 34,509.17 = 14,401.78 : x
  2. Step 2: Convert to fraction form
    25,014.40/34,509.17 = 14,401.78/x
  3. Step 3: Cross multiply
    25,014.40x = 34,509.17 × 14,401.78
  4. Step 4: Simplify right side
    25,014.40x = 496,993,229.77
  5. Step 5: Solve for x
    x = 496,993,229.77/25,014.40
  6. Step 6: Final answer
    x = 19,868.29

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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.