Home / 28,072.60-38,741.64-16,137.04

Finding the Fourth Proportional to 28,072.60, 38,741.64 and 16,137.04

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Solution

The fourth proportional to 28,072.60, 38,741.64 and 16,137.04 is: 22,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072.60 : 38,741.64 = 16,137.04 : x
  2. Step 2: Convert to fraction form
    28,072.60/38,741.64 = 16,137.04/x
  3. Step 3: Cross multiply
    28,072.60x = 38,741.64 × 16,137.04
  4. Step 4: Simplify right side
    28,072.60x = 625,175,394.35
  5. Step 5: Solve for x
    x = 625,175,394.35/28,072.60
  6. Step 6: Final answer
    x = 22,269.95

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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.