Home / 20,593.79-28,404.41-13,041.35

Finding the Fourth Proportional to 20,593.79, 28,404.41 and 13,041.35

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Solution

The fourth proportional to 20,593.79, 28,404.41 and 13,041.35 is: 17,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.79 : 28,404.41 = 13,041.35 : x
  2. Step 2: Convert to fraction form
    20,593.79/28,404.41 = 13,041.35/x
  3. Step 3: Cross multiply
    20,593.79x = 28,404.41 × 13,041.35
  4. Step 4: Simplify right side
    20,593.79x = 370,431,955.97
  5. Step 5: Solve for x
    x = 370,431,955.97/20,593.79
  6. Step 6: Final answer
    x = 17,987.55

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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.