Home / 27,327.53-37,712.12-15,391.07

Finding the Fourth Proportional to 27,327.53, 37,712.12 and 15,391.07

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Solution

The fourth proportional to 27,327.53, 37,712.12 and 15,391.07 is: 21,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,327.53 : 37,712.12 = 15,391.07 : x
  2. Step 2: Convert to fraction form
    27,327.53/37,712.12 = 15,391.07/x
  3. Step 3: Cross multiply
    27,327.53x = 37,712.12 × 15,391.07
  4. Step 4: Simplify right side
    27,327.53x = 580,429,878.77
  5. Step 5: Solve for x
    x = 580,429,878.77/27,327.53
  6. Step 6: Final answer
    x = 21,239.75

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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.