Home / 27,702.12-38,209.52-18,745.68

Finding the Fourth Proportional to 27,702.12, 38,209.52 and 18,745.68

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Solution

The fourth proportional to 27,702.12, 38,209.52 and 18,745.68 is: 25,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,702.12 : 38,209.52 = 18,745.68 : x
  2. Step 2: Convert to fraction form
    27,702.12/38,209.52 = 18,745.68/x
  3. Step 3: Cross multiply
    27,702.12x = 38,209.52 × 18,745.68
  4. Step 4: Simplify right side
    27,702.12x = 716,263,434.87
  5. Step 5: Solve for x
    x = 716,263,434.87/27,702.12
  6. Step 6: Final answer
    x = 25,855.91

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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.