Home / 28,937.40-39,933.42-16,362.20

Finding the Fourth Proportional to 28,937.40, 39,933.42 and 16,362.20

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Solution

The fourth proportional to 28,937.40, 39,933.42 and 16,362.20 is: 22,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.40 : 39,933.42 = 16,362.20 : x
  2. Step 2: Convert to fraction form
    28,937.40/39,933.42 = 16,362.20/x
  3. Step 3: Cross multiply
    28,937.40x = 39,933.42 × 16,362.20
  4. Step 4: Simplify right side
    28,937.40x = 653,398,604.72
  5. Step 5: Solve for x
    x = 653,398,604.72/28,937.40
  6. Step 6: Final answer
    x = 22,579.73

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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.