Home / 38,575.43-57,887.71-25,781.48

Finding the Fourth Proportional to 38,575.43, 57,887.71 and 25,781.48

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Solution

The fourth proportional to 38,575.43, 57,887.71 and 25,781.48 is: 38,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,575.43 : 57,887.71 = 25,781.48 : x
  2. Step 2: Convert to fraction form
    38,575.43/57,887.71 = 25,781.48/x
  3. Step 3: Cross multiply
    38,575.43x = 57,887.71 × 25,781.48
  4. Step 4: Simplify right side
    38,575.43x = 1,492,430,483.72
  5. Step 5: Solve for x
    x = 1,492,430,483.72/38,575.43
  6. Step 6: Final answer
    x = 38,688.63

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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.