Home / 28,486.49-42,729.26-10,960.11

Finding the Fourth Proportional to 28,486.49, 42,729.26 and 10,960.11

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Solution

The fourth proportional to 28,486.49, 42,729.26 and 10,960.11 is: 16,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486.49 : 42,729.26 = 10,960.11 : x
  2. Step 2: Convert to fraction form
    28,486.49/42,729.26 = 10,960.11/x
  3. Step 3: Cross multiply
    28,486.49x = 42,729.26 × 10,960.11
  4. Step 4: Simplify right side
    28,486.49x = 468,317,335.02
  5. Step 5: Solve for x
    x = 468,317,335.02/28,486.49
  6. Step 6: Final answer
    x = 16,439.98

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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.