Home / 28,382.67-42,579.16-11,733.66

Finding the Fourth Proportional to 28,382.67, 42,579.16 and 11,733.66

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Solution

The fourth proportional to 28,382.67, 42,579.16 and 11,733.66 is: 17,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,382.67 : 42,579.16 = 11,733.66 : x
  2. Step 2: Convert to fraction form
    28,382.67/42,579.16 = 11,733.66/x
  3. Step 3: Cross multiply
    28,382.67x = 42,579.16 × 11,733.66
  4. Step 4: Simplify right side
    28,382.67x = 499,609,386.53
  5. Step 5: Solve for x
    x = 499,609,386.53/28,382.67
  6. Step 6: Final answer
    x = 17,602.62

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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.