Home / 27,667.32-38,135.37-19,603.68

Finding the Fourth Proportional to 27,667.32, 38,135.37 and 19,603.68

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Solution

The fourth proportional to 27,667.32, 38,135.37 and 19,603.68 is: 27,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,667.32 : 38,135.37 = 19,603.68 : x
  2. Step 2: Convert to fraction form
    27,667.32/38,135.37 = 19,603.68/x
  3. Step 3: Cross multiply
    27,667.32x = 38,135.37 × 19,603.68
  4. Step 4: Simplify right side
    27,667.32x = 747,593,590.16
  5. Step 5: Solve for x
    x = 747,593,590.16/27,667.32
  6. Step 6: Final answer
    x = 27,020.82

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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.