Home / 28,040.53-42,054.31-8,314.33

Finding the Fourth Proportional to 28,040.53, 42,054.31 and 8,314.33

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Solution

The fourth proportional to 28,040.53, 42,054.31 and 8,314.33 is: 12,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040.53 : 42,054.31 = 8,314.33 : x
  2. Step 2: Convert to fraction form
    28,040.53/42,054.31 = 8,314.33/x
  3. Step 3: Cross multiply
    28,040.53x = 42,054.31 × 8,314.33
  4. Step 4: Simplify right side
    28,040.53x = 349,653,411.26
  5. Step 5: Solve for x
    x = 349,653,411.26/28,040.53
  6. Step 6: Final answer
    x = 12,469.57

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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.