Home / 26,856.09-37,064.34-15,372

Finding the Fourth Proportional to 26,856.09, 37,064.34 and 15,372

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Solution

The fourth proportional to 26,856.09, 37,064.34 and 15,372 is: 21,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.09 : 37,064.34 = 15,372 : x
  2. Step 2: Convert to fraction form
    26,856.09/37,064.34 = 15,372/x
  3. Step 3: Cross multiply
    26,856.09x = 37,064.34 × 15,372
  4. Step 4: Simplify right side
    26,856.09x = 569,753,034.48
  5. Step 5: Solve for x
    x = 569,753,034.48/26,856.09
  6. Step 6: Final answer
    x = 21,215.04

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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.