Home / 27,505.23-37,991.46-21,208.24

Finding the Fourth Proportional to 27,505.23, 37,991.46 and 21,208.24

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Solution

The fourth proportional to 27,505.23, 37,991.46 and 21,208.24 is: 29,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,505.23 : 37,991.46 = 21,208.24 : x
  2. Step 2: Convert to fraction form
    27,505.23/37,991.46 = 21,208.24/x
  3. Step 3: Cross multiply
    27,505.23x = 37,991.46 × 21,208.24
  4. Step 4: Simplify right side
    27,505.23x = 805,732,001.63
  5. Step 5: Solve for x
    x = 805,732,001.63/27,505.23
  6. Step 6: Final answer
    x = 29,293.77

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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.