Home / 28,700.82-39,608.01-17,372.39

Finding the Fourth Proportional to 28,700.82, 39,608.01 and 17,372.39

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Solution

The fourth proportional to 28,700.82, 39,608.01 and 17,372.39 is: 23,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.82 : 39,608.01 = 17,372.39 : x
  2. Step 2: Convert to fraction form
    28,700.82/39,608.01 = 17,372.39/x
  3. Step 3: Cross multiply
    28,700.82x = 39,608.01 × 17,372.39
  4. Step 4: Simplify right side
    28,700.82x = 688,085,598.80
  5. Step 5: Solve for x
    x = 688,085,598.80/28,700.82
  6. Step 6: Final answer
    x = 23,974.42

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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.