Home / 28,977.24-39,989.58-16,230.97

Finding the Fourth Proportional to 28,977.24, 39,989.58 and 16,230.97

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Solution

The fourth proportional to 28,977.24, 39,989.58 and 16,230.97 is: 22,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.24 : 39,989.58 = 16,230.97 : x
  2. Step 2: Convert to fraction form
    28,977.24/39,989.58 = 16,230.97/x
  3. Step 3: Cross multiply
    28,977.24x = 39,989.58 × 16,230.97
  4. Step 4: Simplify right side
    28,977.24x = 649,069,573.32
  5. Step 5: Solve for x
    x = 649,069,573.32/28,977.24
  6. Step 6: Final answer
    x = 22,399.29

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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.