Home / 26,996.72-37,256.40-15,665.36

Finding the Fourth Proportional to 26,996.72, 37,256.40 and 15,665.36

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Solution

The fourth proportional to 26,996.72, 37,256.40 and 15,665.36 is: 21,618.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,996.72 : 37,256.40 = 15,665.36 : x
  2. Step 2: Convert to fraction form
    26,996.72/37,256.40 = 15,665.36/x
  3. Step 3: Cross multiply
    26,996.72x = 37,256.40 × 15,665.36
  4. Step 4: Simplify right side
    26,996.72x = 583,634,918.30
  5. Step 5: Solve for x
    x = 583,634,918.30/26,996.72
  6. Step 6: Final answer
    x = 21,618.73

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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.