Home / 28,841.79-39,801.65-16,266.54

Finding the Fourth Proportional to 28,841.79, 39,801.65 and 16,266.54

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Solution

The fourth proportional to 28,841.79, 39,801.65 and 16,266.54 is: 22,447.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841.79 : 39,801.65 = 16,266.54 : x
  2. Step 2: Convert to fraction form
    28,841.79/39,801.65 = 16,266.54/x
  3. Step 3: Cross multiply
    28,841.79x = 39,801.65 × 16,266.54
  4. Step 4: Simplify right side
    28,841.79x = 647,435,131.79
  5. Step 5: Solve for x
    x = 647,435,131.79/28,841.79
  6. Step 6: Final answer
    x = 22,447.81

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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.