Home / 28,266.75-42,400.94-7,490.25

Finding the Fourth Proportional to 28,266.75, 42,400.94 and 7,490.25

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Solution

The fourth proportional to 28,266.75, 42,400.94 and 7,490.25 is: 11,235.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.75 : 42,400.94 = 7,490.25 : x
  2. Step 2: Convert to fraction form
    28,266.75/42,400.94 = 7,490.25/x
  3. Step 3: Cross multiply
    28,266.75x = 42,400.94 × 7,490.25
  4. Step 4: Simplify right side
    28,266.75x = 317,593,603.38
  5. Step 5: Solve for x
    x = 317,593,603.38/28,266.75
  6. Step 6: Final answer
    x = 11,235.59

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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.