Home / 28,376.82-42,593.67-11,746.62

Finding the Fourth Proportional to 28,376.82, 42,593.67 and 11,746.62

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Solution

The fourth proportional to 28,376.82, 42,593.67 and 11,746.62 is: 17,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376.82 : 42,593.67 = 11,746.62 : x
  2. Step 2: Convert to fraction form
    28,376.82/42,593.67 = 11,746.62/x
  3. Step 3: Cross multiply
    28,376.82x = 42,593.67 × 11,746.62
  4. Step 4: Simplify right side
    28,376.82x = 500,331,655.90
  5. Step 5: Solve for x
    x = 500,331,655.90/28,376.82
  6. Step 6: Final answer
    x = 17,631.70

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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.