Home / 28,269.38-42,423.51-9,801.38

Finding the Fourth Proportional to 28,269.38, 42,423.51 and 9,801.38

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Solution

The fourth proportional to 28,269.38, 42,423.51 and 9,801.38 is: 14,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,269.38 : 42,423.51 = 9,801.38 : x
  2. Step 2: Convert to fraction form
    28,269.38/42,423.51 = 9,801.38/x
  3. Step 3: Cross multiply
    28,269.38x = 42,423.51 × 9,801.38
  4. Step 4: Simplify right side
    28,269.38x = 415,808,942.44
  5. Step 5: Solve for x
    x = 415,808,942.44/28,269.38
  6. Step 6: Final answer
    x = 14,708.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.