Home / 28,823.66-43,212.01-19,345.75

Finding the Fourth Proportional to 28,823.66, 43,212.01 and 19,345.75

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Solution

The fourth proportional to 28,823.66, 43,212.01 and 19,345.75 is: 29,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.66 : 43,212.01 = 19,345.75 : x
  2. Step 2: Convert to fraction form
    28,823.66/43,212.01 = 19,345.75/x
  3. Step 3: Cross multiply
    28,823.66x = 43,212.01 × 19,345.75
  4. Step 4: Simplify right side
    28,823.66x = 835,968,742.46
  5. Step 5: Solve for x
    x = 835,968,742.46/28,823.66
  6. Step 6: Final answer
    x = 29,002.87

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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.