Home / 28,442.12-39,253.60-16,342.58

Finding the Fourth Proportional to 28,442.12, 39,253.60 and 16,342.58

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Solution

The fourth proportional to 28,442.12, 39,253.60 and 16,342.58 is: 22,554.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,442.12 : 39,253.60 = 16,342.58 : x
  2. Step 2: Convert to fraction form
    28,442.12/39,253.60 = 16,342.58/x
  3. Step 3: Cross multiply
    28,442.12x = 39,253.60 × 16,342.58
  4. Step 4: Simplify right side
    28,442.12x = 641,504,904.12
  5. Step 5: Solve for x
    x = 641,504,904.12/28,442.12
  6. Step 6: Final answer
    x = 22,554.75

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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.