Home / 28,950.45-39,948.79-16,202.87

Finding the Fourth Proportional to 28,950.45, 39,948.79 and 16,202.87

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Solution

The fourth proportional to 28,950.45, 39,948.79 and 16,202.87 is: 22,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950.45 : 39,948.79 = 16,202.87 : x
  2. Step 2: Convert to fraction form
    28,950.45/39,948.79 = 16,202.87/x
  3. Step 3: Cross multiply
    28,950.45x = 39,948.79 × 16,202.87
  4. Step 4: Simplify right side
    28,950.45x = 647,285,051.03
  5. Step 5: Solve for x
    x = 647,285,051.03/28,950.45
  6. Step 6: Final answer
    x = 22,358.38

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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.