Home / 28,231.29-42,366.96-11,606.49

Finding the Fourth Proportional to 28,231.29, 42,366.96 and 11,606.49

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Solution

The fourth proportional to 28,231.29, 42,366.96 and 11,606.49 is: 17,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231.29 : 42,366.96 = 11,606.49 : x
  2. Step 2: Convert to fraction form
    28,231.29/42,366.96 = 11,606.49/x
  3. Step 3: Cross multiply
    28,231.29x = 42,366.96 × 11,606.49
  4. Step 4: Simplify right side
    28,231.29x = 491,731,697.57
  5. Step 5: Solve for x
    x = 491,731,697.57/28,231.29
  6. Step 6: Final answer
    x = 17,417.97

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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.