Home / 20,038.82-27,664.60-15,001.22

Finding the Fourth Proportional to 20,038.82, 27,664.60 and 15,001.22

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Solution

The fourth proportional to 20,038.82, 27,664.60 and 15,001.22 is: 20,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.82 : 27,664.60 = 15,001.22 : x
  2. Step 2: Convert to fraction form
    20,038.82/27,664.60 = 15,001.22/x
  3. Step 3: Cross multiply
    20,038.82x = 27,664.60 × 15,001.22
  4. Step 4: Simplify right side
    20,038.82x = 415,002,750.81
  5. Step 5: Solve for x
    x = 415,002,750.81/20,038.82
  6. Step 6: Final answer
    x = 20,709.94

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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.