Home / 16,920.24-25,381.20-14,680.32

Finding the Fourth Proportional to 16,920.24, 25,381.20 and 14,680.32

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Solution

The fourth proportional to 16,920.24, 25,381.20 and 14,680.32 is: 22,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.24 : 25,381.20 = 14,680.32 : x
  2. Step 2: Convert to fraction form
    16,920.24/25,381.20 = 14,680.32/x
  3. Step 3: Cross multiply
    16,920.24x = 25,381.20 × 14,680.32
  4. Step 4: Simplify right side
    16,920.24x = 372,604,137.98
  5. Step 5: Solve for x
    x = 372,604,137.98/16,920.24
  6. Step 6: Final answer
    x = 22,021.21

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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.