Home / 27,022.53-37,301.31-21,265.05

Finding the Fourth Proportional to 27,022.53, 37,301.31 and 21,265.05

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Solution

The fourth proportional to 27,022.53, 37,301.31 and 21,265.05 is: 29,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,022.53 : 37,301.31 = 21,265.05 : x
  2. Step 2: Convert to fraction form
    27,022.53/37,301.31 = 21,265.05/x
  3. Step 3: Cross multiply
    27,022.53x = 37,301.31 × 21,265.05
  4. Step 4: Simplify right side
    27,022.53x = 793,214,222.22
  5. Step 5: Solve for x
    x = 793,214,222.22/27,022.53
  6. Step 6: Final answer
    x = 29,353.81

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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.