Home / 28,439.90-39,248.89-16,344.27

Finding the Fourth Proportional to 28,439.90, 39,248.89 and 16,344.27

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Solution

The fourth proportional to 28,439.90, 39,248.89 and 16,344.27 is: 22,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,439.90 : 39,248.89 = 16,344.27 : x
  2. Step 2: Convert to fraction form
    28,439.90/39,248.89 = 16,344.27/x
  3. Step 3: Cross multiply
    28,439.90x = 39,248.89 × 16,344.27
  4. Step 4: Simplify right side
    28,439.90x = 641,494,455.36
  5. Step 5: Solve for x
    x = 641,494,455.36/28,439.90
  6. Step 6: Final answer
    x = 22,556.15

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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.