Home / 26,270.42-39,341.52-13,800.87

Finding the Fourth Proportional to 26,270.42, 39,341.52 and 13,800.87

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Solution

The fourth proportional to 26,270.42, 39,341.52 and 13,800.87 is: 20,667.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,270.42 : 39,341.52 = 13,800.87 : x
  2. Step 2: Convert to fraction form
    26,270.42/39,341.52 = 13,800.87/x
  3. Step 3: Cross multiply
    26,270.42x = 39,341.52 × 13,800.87
  4. Step 4: Simplify right side
    26,270.42x = 542,947,203.12
  5. Step 5: Solve for x
    x = 542,947,203.12/26,270.42
  6. Step 6: Final answer
    x = 20,667.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.