Home / 20,735.48-28,615.02-11,304

Finding the Fourth Proportional to 20,735.48, 28,615.02 and 11,304

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Solution

The fourth proportional to 20,735.48, 28,615.02 and 11,304 is: 15,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735.48 : 28,615.02 = 11,304 : x
  2. Step 2: Convert to fraction form
    20,735.48/28,615.02 = 11,304/x
  3. Step 3: Cross multiply
    20,735.48x = 28,615.02 × 11,304
  4. Step 4: Simplify right side
    20,735.48x = 323,464,186.08
  5. Step 5: Solve for x
    x = 323,464,186.08/20,735.48
  6. Step 6: Final answer
    x = 15,599.55

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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.