Home / 28,950.36-39,952.20-16,203.42

Finding the Fourth Proportional to 28,950.36, 39,952.20 and 16,203.42

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Solution

The fourth proportional to 28,950.36, 39,952.20 and 16,203.42 is: 22,361.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950.36 : 39,952.20 = 16,203.42 : x
  2. Step 2: Convert to fraction form
    28,950.36/39,952.20 = 16,203.42/x
  3. Step 3: Cross multiply
    28,950.36x = 39,952.20 × 16,203.42
  4. Step 4: Simplify right side
    28,950.36x = 647,362,276.52
  5. Step 5: Solve for x
    x = 647,362,276.52/28,950.36
  6. Step 6: Final answer
    x = 22,361.11

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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.