Home / 28,490.46-39,324.50-16,392.34

Finding the Fourth Proportional to 28,490.46, 39,324.50 and 16,392.34

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Solution

The fourth proportional to 28,490.46, 39,324.50 and 16,392.34 is: 22,625.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,490.46 : 39,324.50 = 16,392.34 : x
  2. Step 2: Convert to fraction form
    28,490.46/39,324.50 = 16,392.34/x
  3. Step 3: Cross multiply
    28,490.46x = 39,324.50 × 16,392.34
  4. Step 4: Simplify right side
    28,490.46x = 644,620,574.33
  5. Step 5: Solve for x
    x = 644,620,574.33/28,490.46
  6. Step 6: Final answer
    x = 22,625.84

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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.