Home / 27,230.60-37,616.46-21,022.76

Finding the Fourth Proportional to 27,230.60, 37,616.46 and 21,022.76

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Solution

The fourth proportional to 27,230.60, 37,616.46 and 21,022.76 is: 29,040.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,230.60 : 37,616.46 = 21,022.76 : x
  2. Step 2: Convert to fraction form
    27,230.60/37,616.46 = 21,022.76/x
  3. Step 3: Cross multiply
    27,230.60x = 37,616.46 × 21,022.76
  4. Step 4: Simplify right side
    27,230.60x = 790,801,810.63
  5. Step 5: Solve for x
    x = 790,801,810.63/27,230.60
  6. Step 6: Final answer
    x = 29,040.92

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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.