Home / 26,438.72-36,481.76-15,825.92

Finding the Fourth Proportional to 26,438.72, 36,481.76 and 15,825.92

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Solution

The fourth proportional to 26,438.72, 36,481.76 and 15,825.92 is: 21,837.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.72 : 36,481.76 = 15,825.92 : x
  2. Step 2: Convert to fraction form
    26,438.72/36,481.76 = 15,825.92/x
  3. Step 3: Cross multiply
    26,438.72x = 36,481.76 × 15,825.92
  4. Step 4: Simplify right side
    26,438.72x = 577,357,415.22
  5. Step 5: Solve for x
    x = 577,357,415.22/26,438.72
  6. Step 6: Final answer
    x = 21,837.57

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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.