Home / 38,292.72-57,447.18-19,328.16

Finding the Fourth Proportional to 38,292.72, 57,447.18 and 19,328.16

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Solution

The fourth proportional to 38,292.72, 57,447.18 and 19,328.16 is: 28,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,292.72 : 57,447.18 = 19,328.16 : x
  2. Step 2: Convert to fraction form
    38,292.72/57,447.18 = 19,328.16/x
  3. Step 3: Cross multiply
    38,292.72x = 57,447.18 × 19,328.16
  4. Step 4: Simplify right side
    38,292.72x = 1,110,348,286.59
  5. Step 5: Solve for x
    x = 1,110,348,286.59/38,292.72
  6. Step 6: Final answer
    x = 28,996.33

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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.