Home / 26,438.08-39,639.44-13,944.92

Finding the Fourth Proportional to 26,438.08, 39,639.44 and 13,944.92

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Solution

The fourth proportional to 26,438.08, 39,639.44 and 13,944.92 is: 20,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.08 : 39,639.44 = 13,944.92 : x
  2. Step 2: Convert to fraction form
    26,438.08/39,639.44 = 13,944.92/x
  3. Step 3: Cross multiply
    26,438.08x = 39,639.44 × 13,944.92
  4. Step 4: Simplify right side
    26,438.08x = 552,768,819.64
  5. Step 5: Solve for x
    x = 552,768,819.64/26,438.08
  6. Step 6: Final answer
    x = 20,908.05

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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.