Home / 57,427.33-86,137.35-17,983.57

Finding the Fourth Proportional to 57,427.33, 86,137.35 and 17,983.57

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Solution

The fourth proportional to 57,427.33, 86,137.35 and 17,983.57 is: 26,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,427.33 : 86,137.35 = 17,983.57 : x
  2. Step 2: Convert to fraction form
    57,427.33/86,137.35 = 17,983.57/x
  3. Step 3: Cross multiply
    57,427.33x = 86,137.35 × 17,983.57
  4. Step 4: Simplify right side
    57,427.33x = 1,549,057,063.34
  5. Step 5: Solve for x
    x = 1,549,057,063.34/57,427.33
  6. Step 6: Final answer
    x = 26,974.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.