Home / 28,383.17-42,579.91-11,734.16

Finding the Fourth Proportional to 28,383.17, 42,579.91 and 11,734.16

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Solution

The fourth proportional to 28,383.17, 42,579.91 and 11,734.16 is: 17,603.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.17 : 42,579.91 = 11,734.16 : x
  2. Step 2: Convert to fraction form
    28,383.17/42,579.91 = 11,734.16/x
  3. Step 3: Cross multiply
    28,383.17x = 42,579.91 × 11,734.16
  4. Step 4: Simplify right side
    28,383.17x = 499,639,476.73
  5. Step 5: Solve for x
    x = 499,639,476.73/28,383.17
  6. Step 6: Final answer
    x = 17,603.37

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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.