Home / 26,827.20-37,033.20-21,529.80

Finding the Fourth Proportional to 26,827.20, 37,033.20 and 21,529.80

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Solution

The fourth proportional to 26,827.20, 37,033.20 and 21,529.80 is: 29,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,827.20 : 37,033.20 = 21,529.80 : x
  2. Step 2: Convert to fraction form
    26,827.20/37,033.20 = 21,529.80/x
  3. Step 3: Cross multiply
    26,827.20x = 37,033.20 × 21,529.80
  4. Step 4: Simplify right side
    26,827.20x = 797,317,389.36
  5. Step 5: Solve for x
    x = 797,317,389.36/26,827.20
  6. Step 6: Final answer
    x = 29,720.48

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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.