Home / 27,603.30-38,093.48-15,505.92

Finding the Fourth Proportional to 27,603.30, 38,093.48 and 15,505.92

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Solution

The fourth proportional to 27,603.30, 38,093.48 and 15,505.92 is: 21,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.30 : 38,093.48 = 15,505.92 : x
  2. Step 2: Convert to fraction form
    27,603.30/38,093.48 = 15,505.92/x
  3. Step 3: Cross multiply
    27,603.30x = 38,093.48 × 15,505.92
  4. Step 4: Simplify right side
    27,603.30x = 590,674,453.40
  5. Step 5: Solve for x
    x = 590,674,453.40/27,603.30
  6. Step 6: Final answer
    x = 21,398.69

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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.