Home / 28,386.26-42,535.58-17,976.14

Finding the Fourth Proportional to 28,386.26, 42,535.58 and 17,976.14

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Solution

The fourth proportional to 28,386.26, 42,535.58 and 17,976.14 is: 26,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386.26 : 42,535.58 = 17,976.14 : x
  2. Step 2: Convert to fraction form
    28,386.26/42,535.58 = 17,976.14/x
  3. Step 3: Cross multiply
    28,386.26x = 42,535.58 × 17,976.14
  4. Step 4: Simplify right side
    28,386.26x = 764,625,541.06
  5. Step 5: Solve for x
    x = 764,625,541.06/28,386.26
  6. Step 6: Final answer
    x = 26,936.47

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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.