Home / 27,603.81-38,093.25-15,028.56

Finding the Fourth Proportional to 27,603.81, 38,093.25 and 15,028.56

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Solution

The fourth proportional to 27,603.81, 38,093.25 and 15,028.56 is: 20,739.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.81 : 38,093.25 = 15,028.56 : x
  2. Step 2: Convert to fraction form
    27,603.81/38,093.25 = 15,028.56/x
  3. Step 3: Cross multiply
    27,603.81x = 38,093.25 × 15,028.56
  4. Step 4: Simplify right side
    27,603.81x = 572,486,693.22
  5. Step 5: Solve for x
    x = 572,486,693.22/27,603.81
  6. Step 6: Final answer
    x = 20,739.41

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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.