Home / 28,788.01-43,119.47-13,965.75

Finding the Fourth Proportional to 28,788.01, 43,119.47 and 13,965.75

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Solution

The fourth proportional to 28,788.01, 43,119.47 and 13,965.75 is: 20,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788.01 : 43,119.47 = 13,965.75 : x
  2. Step 2: Convert to fraction form
    28,788.01/43,119.47 = 13,965.75/x
  3. Step 3: Cross multiply
    28,788.01x = 43,119.47 × 13,965.75
  4. Step 4: Simplify right side
    28,788.01x = 602,195,773.07
  5. Step 5: Solve for x
    x = 602,195,773.07/28,788.01
  6. Step 6: Final answer
    x = 20,918.29

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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.