Home / 26,989.05-37,249.39-15,667.95

Finding the Fourth Proportional to 26,989.05, 37,249.39 and 15,667.95

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Solution

The fourth proportional to 26,989.05, 37,249.39 and 15,667.95 is: 21,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.05 : 37,249.39 = 15,667.95 : x
  2. Step 2: Convert to fraction form
    26,989.05/37,249.39 = 15,667.95/x
  3. Step 3: Cross multiply
    26,989.05x = 37,249.39 × 15,667.95
  4. Step 4: Simplify right side
    26,989.05x = 583,621,580.05
  5. Step 5: Solve for x
    x = 583,621,580.05/26,989.05
  6. Step 6: Final answer
    x = 21,624.38

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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.