Home / 28,836.76-43,287.96-19,356.12

Finding the Fourth Proportional to 28,836.76, 43,287.96 and 19,356.12

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Solution

The fourth proportional to 28,836.76, 43,287.96 and 19,356.12 is: 29,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.76 : 43,287.96 = 19,356.12 : x
  2. Step 2: Convert to fraction form
    28,836.76/43,287.96 = 19,356.12/x
  3. Step 3: Cross multiply
    28,836.76x = 43,287.96 × 19,356.12
  4. Step 4: Simplify right side
    28,836.76x = 837,886,948.32
  5. Step 5: Solve for x
    x = 837,886,948.32/28,836.76
  6. Step 6: Final answer
    x = 29,056.21

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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.