Home / 38,431.35-57,646.80-17,889.57

Finding the Fourth Proportional to 38,431.35, 57,646.80 and 17,889.57

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Solution

The fourth proportional to 38,431.35, 57,646.80 and 17,889.57 is: 26,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.35 : 57,646.80 = 17,889.57 : x
  2. Step 2: Convert to fraction form
    38,431.35/57,646.80 = 17,889.57/x
  3. Step 3: Cross multiply
    38,431.35x = 57,646.80 × 17,889.57
  4. Step 4: Simplify right side
    38,431.35x = 1,031,276,463.88
  5. Step 5: Solve for x
    x = 1,031,276,463.88/38,431.35
  6. Step 6: Final answer
    x = 26,834.25

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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.