Home / 20,366.48-28,116.24-14,067.92

Finding the Fourth Proportional to 20,366.48, 28,116.24 and 14,067.92

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Solution

The fourth proportional to 20,366.48, 28,116.24 and 14,067.92 is: 19,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.48 : 28,116.24 = 14,067.92 : x
  2. Step 2: Convert to fraction form
    20,366.48/28,116.24 = 14,067.92/x
  3. Step 3: Cross multiply
    20,366.48x = 28,116.24 × 14,067.92
  4. Step 4: Simplify right side
    20,366.48x = 395,537,015.02
  5. Step 5: Solve for x
    x = 395,537,015.02/20,366.48
  6. Step 6: Final answer
    x = 19,420.98

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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.