Home / 20,005.76-29,963.52-9,625.28

Finding the Fourth Proportional to 20,005.76, 29,963.52 and 9,625.28

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Solution

The fourth proportional to 20,005.76, 29,963.52 and 9,625.28 is: 14,416.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.76 : 29,963.52 = 9,625.28 : x
  2. Step 2: Convert to fraction form
    20,005.76/29,963.52 = 9,625.28/x
  3. Step 3: Cross multiply
    20,005.76x = 29,963.52 × 9,625.28
  4. Step 4: Simplify right side
    20,005.76x = 288,407,269.79
  5. Step 5: Solve for x
    x = 288,407,269.79/20,005.76
  6. Step 6: Final answer
    x = 14,416.21

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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.