Home / 26,790.32-40,188.72-11,208.08

Finding the Fourth Proportional to 26,790.32, 40,188.72 and 11,208.08

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Solution

The fourth proportional to 26,790.32, 40,188.72 and 11,208.08 is: 16,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.32 : 40,188.72 = 11,208.08 : x
  2. Step 2: Convert to fraction form
    26,790.32/40,188.72 = 11,208.08/x
  3. Step 3: Cross multiply
    26,790.32x = 40,188.72 × 11,208.08
  4. Step 4: Simplify right side
    26,790.32x = 450,438,388.86
  5. Step 5: Solve for x
    x = 450,438,388.86/26,790.32
  6. Step 6: Final answer
    x = 16,813.48

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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.