Home / 28,040.32-42,044.72-9,310.33

Finding the Fourth Proportional to 28,040.32, 42,044.72 and 9,310.33

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Solution

The fourth proportional to 28,040.32, 42,044.72 and 9,310.33 is: 13,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040.32 : 42,044.72 = 9,310.33 : x
  2. Step 2: Convert to fraction form
    28,040.32/42,044.72 = 9,310.33/x
  3. Step 3: Cross multiply
    28,040.32x = 42,044.72 × 9,310.33
  4. Step 4: Simplify right side
    28,040.32x = 391,450,171.41
  5. Step 5: Solve for x
    x = 391,450,171.41/28,040.32
  6. Step 6: Final answer
    x = 13,960.26

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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.