Home / 38,254.61-57,379.69-17,189.21

Finding the Fourth Proportional to 38,254.61, 57,379.69 and 17,189.21

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Solution

The fourth proportional to 38,254.61, 57,379.69 and 17,189.21 is: 25,782.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,254.61 : 57,379.69 = 17,189.21 : x
  2. Step 2: Convert to fraction form
    38,254.61/57,379.69 = 17,189.21/x
  3. Step 3: Cross multiply
    38,254.61x = 57,379.69 × 17,189.21
  4. Step 4: Simplify right side
    38,254.61x = 986,311,455.20
  5. Step 5: Solve for x
    x = 986,311,455.20/38,254.61
  6. Step 6: Final answer
    x = 25,782.81

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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.