Home / 38,255.99-57,392.10-11,962.71

Finding the Fourth Proportional to 38,255.99, 57,392.10 and 11,962.71

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Solution

The fourth proportional to 38,255.99, 57,392.10 and 11,962.71 is: 17,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.99 : 57,392.10 = 11,962.71 : x
  2. Step 2: Convert to fraction form
    38,255.99/57,392.10 = 11,962.71/x
  3. Step 3: Cross multiply
    38,255.99x = 57,392.10 × 11,962.71
  4. Step 4: Simplify right side
    38,255.99x = 686,565,048.59
  5. Step 5: Solve for x
    x = 686,565,048.59/38,255.99
  6. Step 6: Final answer
    x = 17,946.60

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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.