Home / 26,747.91-36,911.63-14,811.21

Finding the Fourth Proportional to 26,747.91, 36,911.63 and 14,811.21

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Solution

The fourth proportional to 26,747.91, 36,911.63 and 14,811.21 is: 20,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,747.91 : 36,911.63 = 14,811.21 : x
  2. Step 2: Convert to fraction form
    26,747.91/36,911.63 = 14,811.21/x
  3. Step 3: Cross multiply
    26,747.91x = 36,911.63 × 14,811.21
  4. Step 4: Simplify right side
    26,747.91x = 546,705,940.40
  5. Step 5: Solve for x
    x = 546,705,940.40/26,747.91
  6. Step 6: Final answer
    x = 20,439.20

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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.