Home / 27,605.53-38,092.75-15,507.37

Finding the Fourth Proportional to 27,605.53, 38,092.75 and 15,507.37

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Solution

The fourth proportional to 27,605.53, 38,092.75 and 15,507.37 is: 21,398.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,605.53 : 38,092.75 = 15,507.37 : x
  2. Step 2: Convert to fraction form
    27,605.53/38,092.75 = 15,507.37/x
  3. Step 3: Cross multiply
    27,605.53x = 38,092.75 × 15,507.37
  4. Step 4: Simplify right side
    27,605.53x = 590,718,368.57
  5. Step 5: Solve for x
    x = 590,718,368.57/27,605.53
  6. Step 6: Final answer
    x = 21,398.55

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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.