Home / 38,128.86-57,200.48-14,443.50

Finding the Fourth Proportional to 38,128.86, 57,200.48 and 14,443.50

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Solution

The fourth proportional to 38,128.86, 57,200.48 and 14,443.50 is: 21,667.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,128.86 : 57,200.48 = 14,443.50 : x
  2. Step 2: Convert to fraction form
    38,128.86/57,200.48 = 14,443.50/x
  3. Step 3: Cross multiply
    38,128.86x = 57,200.48 × 14,443.50
  4. Step 4: Simplify right side
    38,128.86x = 826,175,060.66
  5. Step 5: Solve for x
    x = 826,175,060.66/38,128.86
  6. Step 6: Final answer
    x = 21,667.97

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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.