Home / 26,872.34-37,114.90-20,187.14

Finding the Fourth Proportional to 26,872.34, 37,114.90 and 20,187.14

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Solution

The fourth proportional to 26,872.34, 37,114.90 and 20,187.14 is: 27,881.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.34 : 37,114.90 = 20,187.14 : x
  2. Step 2: Convert to fraction form
    26,872.34/37,114.90 = 20,187.14/x
  3. Step 3: Cross multiply
    26,872.34x = 37,114.90 × 20,187.14
  4. Step 4: Simplify right side
    26,872.34x = 749,243,682.39
  5. Step 5: Solve for x
    x = 749,243,682.39/26,872.34
  6. Step 6: Final answer
    x = 27,881.59

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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.