Home / 27,835.37-38,408.63-15,896.16

Finding the Fourth Proportional to 27,835.37, 38,408.63 and 15,896.16

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Solution

The fourth proportional to 27,835.37, 38,408.63 and 15,896.16 is: 21,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,835.37 : 38,408.63 = 15,896.16 : x
  2. Step 2: Convert to fraction form
    27,835.37/38,408.63 = 15,896.16/x
  3. Step 3: Cross multiply
    27,835.37x = 38,408.63 × 15,896.16
  4. Step 4: Simplify right side
    27,835.37x = 610,549,648.38
  5. Step 5: Solve for x
    x = 610,549,648.38/27,835.37
  6. Step 6: Final answer
    x = 21,934.31

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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.