Home / 28,261.44-42,391.08-11,616.84

Finding the Fourth Proportional to 28,261.44, 42,391.08 and 11,616.84

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Solution

The fourth proportional to 28,261.44, 42,391.08 and 11,616.84 is: 17,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,261.44 : 42,391.08 = 11,616.84 : x
  2. Step 2: Convert to fraction form
    28,261.44/42,391.08 = 11,616.84/x
  3. Step 3: Cross multiply
    28,261.44x = 42,391.08 × 11,616.84
  4. Step 4: Simplify right side
    28,261.44x = 492,450,393.79
  5. Step 5: Solve for x
    x = 492,450,393.79/28,261.44
  6. Step 6: Final answer
    x = 17,424.82

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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.