Home / 28,254.66-42,395.75-11,619.69

Finding the Fourth Proportional to 28,254.66, 42,395.75 and 11,619.69

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Solution

The fourth proportional to 28,254.66, 42,395.75 and 11,619.69 is: 17,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.66 : 42,395.75 = 11,619.69 : x
  2. Step 2: Convert to fraction form
    28,254.66/42,395.75 = 11,619.69/x
  3. Step 3: Cross multiply
    28,254.66x = 42,395.75 × 11,619.69
  4. Step 4: Simplify right side
    28,254.66x = 492,625,472.32
  5. Step 5: Solve for x
    x = 492,625,472.32/28,254.66
  6. Step 6: Final answer
    x = 17,435.19

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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.