Home / 28,817.15-43,215.98-14,016.65

Finding the Fourth Proportional to 28,817.15, 43,215.98 and 14,016.65

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Solution

The fourth proportional to 28,817.15, 43,215.98 and 14,016.65 is: 21,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.15 : 43,215.98 = 14,016.65 : x
  2. Step 2: Convert to fraction form
    28,817.15/43,215.98 = 14,016.65/x
  3. Step 3: Cross multiply
    28,817.15x = 43,215.98 × 14,016.65
  4. Step 4: Simplify right side
    28,817.15x = 605,742,979.90
  5. Step 5: Solve for x
    x = 605,742,979.90/28,817.15
  6. Step 6: Final answer
    x = 21,020.23

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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.