Home / 26,619.54-36,731.04-15,289.56

Finding the Fourth Proportional to 26,619.54, 36,731.04 and 15,289.56

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Solution

The fourth proportional to 26,619.54, 36,731.04 and 15,289.56 is: 21,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.54 : 36,731.04 = 15,289.56 : x
  2. Step 2: Convert to fraction form
    26,619.54/36,731.04 = 15,289.56/x
  3. Step 3: Cross multiply
    26,619.54x = 36,731.04 × 15,289.56
  4. Step 4: Simplify right side
    26,619.54x = 561,601,439.94
  5. Step 5: Solve for x
    x = 561,601,439.94/26,619.54
  6. Step 6: Final answer
    x = 21,097.34

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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.