Home / 28,224.41-38,917.74-18,001.79

Finding the Fourth Proportional to 28,224.41, 38,917.74 and 18,001.79

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Solution

The fourth proportional to 28,224.41, 38,917.74 and 18,001.79 is: 24,822.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.41 : 38,917.74 = 18,001.79 : x
  2. Step 2: Convert to fraction form
    28,224.41/38,917.74 = 18,001.79/x
  3. Step 3: Cross multiply
    28,224.41x = 38,917.74 × 18,001.79
  4. Step 4: Simplify right side
    28,224.41x = 700,588,982.75
  5. Step 5: Solve for x
    x = 700,588,982.75/28,224.41
  6. Step 6: Final answer
    x = 24,822.09

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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.