Home / 20,951.43-31,427.15-14,739.24

Finding the Fourth Proportional to 20,951.43, 31,427.15 and 14,739.24

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Solution

The fourth proportional to 20,951.43, 31,427.15 and 14,739.24 is: 22,108.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,951.43 : 31,427.15 = 14,739.24 : x
  2. Step 2: Convert to fraction form
    20,951.43/31,427.15 = 14,739.24/x
  3. Step 3: Cross multiply
    20,951.43x = 31,427.15 × 14,739.24
  4. Step 4: Simplify right side
    20,951.43x = 463,212,306.37
  5. Step 5: Solve for x
    x = 463,212,306.37/20,951.43
  6. Step 6: Final answer
    x = 22,108.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.