Home / 26,905.57-37,129.11-15,575.54

Finding the Fourth Proportional to 26,905.57, 37,129.11 and 15,575.54

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Solution

The fourth proportional to 26,905.57, 37,129.11 and 15,575.54 is: 21,493.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,905.57 : 37,129.11 = 15,575.54 : x
  2. Step 2: Convert to fraction form
    26,905.57/37,129.11 = 15,575.54/x
  3. Step 3: Cross multiply
    26,905.57x = 37,129.11 × 15,575.54
  4. Step 4: Simplify right side
    26,905.57x = 578,305,946.57
  5. Step 5: Solve for x
    x = 578,305,946.57/26,905.57
  6. Step 6: Final answer
    x = 21,493.91

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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.