Home / 27,830.14-38,408.26-15,895.26

Finding the Fourth Proportional to 27,830.14, 38,408.26 and 15,895.26

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Solution

The fourth proportional to 27,830.14, 38,408.26 and 15,895.26 is: 21,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,830.14 : 38,408.26 = 15,895.26 : x
  2. Step 2: Convert to fraction form
    27,830.14/38,408.26 = 15,895.26/x
  3. Step 3: Cross multiply
    27,830.14x = 38,408.26 × 15,895.26
  4. Step 4: Simplify right side
    27,830.14x = 610,509,278.85
  5. Step 5: Solve for x
    x = 610,509,278.85/27,830.14
  6. Step 6: Final answer
    x = 21,936.98

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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.