Home / 28,270.44-42,404.58-11,625.84

Finding the Fourth Proportional to 28,270.44, 42,404.58 and 11,625.84

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Solution

The fourth proportional to 28,270.44, 42,404.58 and 11,625.84 is: 17,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,270.44 : 42,404.58 = 11,625.84 : x
  2. Step 2: Convert to fraction form
    28,270.44/42,404.58 = 11,625.84/x
  3. Step 3: Cross multiply
    28,270.44x = 42,404.58 × 11,625.84
  4. Step 4: Simplify right side
    28,270.44x = 492,988,862.35
  5. Step 5: Solve for x
    x = 492,988,862.35/28,270.44
  6. Step 6: Final answer
    x = 17,438.32

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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.