Home / 28,241.04-38,972.64-17,630.64

Finding the Fourth Proportional to 28,241.04, 38,972.64 and 17,630.64

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Solution

The fourth proportional to 28,241.04, 38,972.64 and 17,630.64 is: 24,330.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.04 : 38,972.64 = 17,630.64 : x
  2. Step 2: Convert to fraction form
    28,241.04/38,972.64 = 17,630.64/x
  3. Step 3: Cross multiply
    28,241.04x = 38,972.64 × 17,630.64
  4. Step 4: Simplify right side
    28,241.04x = 687,112,585.69
  5. Step 5: Solve for x
    x = 687,112,585.69/28,241.04
  6. Step 6: Final answer
    x = 24,330.29

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1.5x scale

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.