Home / 28,027.14-38,677.19-15,451.89

Finding the Fourth Proportional to 28,027.14, 38,677.19 and 15,451.89

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Solution

The fourth proportional to 28,027.14, 38,677.19 and 15,451.89 is: 21,323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.14 : 38,677.19 = 15,451.89 : x
  2. Step 2: Convert to fraction form
    28,027.14/38,677.19 = 15,451.89/x
  3. Step 3: Cross multiply
    28,027.14x = 38,677.19 × 15,451.89
  4. Step 4: Simplify right side
    28,027.14x = 597,635,685.39
  5. Step 5: Solve for x
    x = 597,635,685.39/28,027.14
  6. Step 6: Final answer
    x = 21,323.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.