Home / 28,806.56-39,752.40-16,231.52

Finding the Fourth Proportional to 28,806.56, 39,752.40 and 16,231.52

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Solution

The fourth proportional to 28,806.56, 39,752.40 and 16,231.52 is: 22,399.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,806.56 : 39,752.40 = 16,231.52 : x
  2. Step 2: Convert to fraction form
    28,806.56/39,752.40 = 16,231.52/x
  3. Step 3: Cross multiply
    28,806.56x = 39,752.40 × 16,231.52
  4. Step 4: Simplify right side
    28,806.56x = 645,241,875.65
  5. Step 5: Solve for x
    x = 645,241,875.65/28,806.56
  6. Step 6: Final answer
    x = 22,399.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.