Home / 28,241.45-38,962.98-18,556.13

Finding the Fourth Proportional to 28,241.45, 38,962.98 and 18,556.13

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Solution

The fourth proportional to 28,241.45, 38,962.98 and 18,556.13 is: 25,600.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.45 : 38,962.98 = 18,556.13 : x
  2. Step 2: Convert to fraction form
    28,241.45/38,962.98 = 18,556.13/x
  3. Step 3: Cross multiply
    28,241.45x = 38,962.98 × 18,556.13
  4. Step 4: Simplify right side
    28,241.45x = 723,002,000.31
  5. Step 5: Solve for x
    x = 723,002,000.31/28,241.45
  6. Step 6: Final answer
    x = 25,600.74

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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.