Home / 26,239.70-36,213.88-14,912.71

Finding the Fourth Proportional to 26,239.70, 36,213.88 and 14,912.71

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Solution

The fourth proportional to 26,239.70, 36,213.88 and 14,912.71 is: 20,581.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,239.70 : 36,213.88 = 14,912.71 : x
  2. Step 2: Convert to fraction form
    26,239.70/36,213.88 = 14,912.71/x
  3. Step 3: Cross multiply
    26,239.70x = 36,213.88 × 14,912.71
  4. Step 4: Simplify right side
    26,239.70x = 540,046,834.78
  5. Step 5: Solve for x
    x = 540,046,834.78/26,239.70
  6. Step 6: Final answer
    x = 20,581.29

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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.