Home / 28,487.88-42,735.06-10,954.62

Finding the Fourth Proportional to 28,487.88, 42,735.06 and 10,954.62

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Solution

The fourth proportional to 28,487.88, 42,735.06 and 10,954.62 is: 16,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,487.88 : 42,735.06 = 10,954.62 : x
  2. Step 2: Convert to fraction form
    28,487.88/42,735.06 = 10,954.62/x
  3. Step 3: Cross multiply
    28,487.88x = 42,735.06 × 10,954.62
  4. Step 4: Simplify right side
    28,487.88x = 468,146,342.98
  5. Step 5: Solve for x
    x = 468,146,342.98/28,487.88
  6. Step 6: Final answer
    x = 16,433.18

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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.