Home / 26,914.86-40,380.48-13,776.45

Finding the Fourth Proportional to 26,914.86, 40,380.48 and 13,776.45

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Solution

The fourth proportional to 26,914.86, 40,380.48 and 13,776.45 is: 20,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,914.86 : 40,380.48 = 13,776.45 : x
  2. Step 2: Convert to fraction form
    26,914.86/40,380.48 = 13,776.45/x
  3. Step 3: Cross multiply
    26,914.86x = 40,380.48 × 13,776.45
  4. Step 4: Simplify right side
    26,914.86x = 556,299,663.70
  5. Step 5: Solve for x
    x = 556,299,663.70/26,914.86
  6. Step 6: Final answer
    x = 20,668.87

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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.