Home / 20,177.24-27,835.80-12,610.40

Finding the Fourth Proportional to 20,177.24, 27,835.80 and 12,610.40

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Solution

The fourth proportional to 20,177.24, 27,835.80 and 12,610.40 is: 17,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.24 : 27,835.80 = 12,610.40 : x
  2. Step 2: Convert to fraction form
    20,177.24/27,835.80 = 12,610.40/x
  3. Step 3: Cross multiply
    20,177.24x = 27,835.80 × 12,610.40
  4. Step 4: Simplify right side
    20,177.24x = 351,020,572.32
  5. Step 5: Solve for x
    x = 351,020,572.32/20,177.24
  6. Step 6: Final answer
    x = 17,396.86

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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.