Home / 28,204.88-42,304.92-11,560.16

Finding the Fourth Proportional to 28,204.88, 42,304.92 and 11,560.16

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Solution

The fourth proportional to 28,204.88, 42,304.92 and 11,560.16 is: 17,339.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,204.88 : 42,304.92 = 11,560.16 : x
  2. Step 2: Convert to fraction form
    28,204.88/42,304.92 = 11,560.16/x
  3. Step 3: Cross multiply
    28,204.88x = 42,304.92 × 11,560.16
  4. Step 4: Simplify right side
    28,204.88x = 489,051,643.99
  5. Step 5: Solve for x
    x = 489,051,643.99/28,204.88
  6. Step 6: Final answer
    x = 17,339.26

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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.