Home / 27,988.58-38,623.85-15,241.62

Finding the Fourth Proportional to 27,988.58, 38,623.85 and 15,241.62

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Solution

The fourth proportional to 27,988.58, 38,623.85 and 15,241.62 is: 21,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.58 : 38,623.85 = 15,241.62 : x
  2. Step 2: Convert to fraction form
    27,988.58/38,623.85 = 15,241.62/x
  3. Step 3: Cross multiply
    27,988.58x = 38,623.85 × 15,241.62
  4. Step 4: Simplify right side
    27,988.58x = 588,689,968.43
  5. Step 5: Solve for x
    x = 588,689,968.43/27,988.58
  6. Step 6: Final answer
    x = 21,033.22

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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.