Home / 20,267.10-30,400.65-14,034.15

Finding the Fourth Proportional to 20,267.10, 30,400.65 and 14,034.15

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Solution

The fourth proportional to 20,267.10, 30,400.65 and 14,034.15 is: 21,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267.10 : 30,400.65 = 14,034.15 : x
  2. Step 2: Convert to fraction form
    20,267.10/30,400.65 = 14,034.15/x
  3. Step 3: Cross multiply
    20,267.10x = 30,400.65 × 14,034.15
  4. Step 4: Simplify right side
    20,267.10x = 426,647,282.20
  5. Step 5: Solve for x
    x = 426,647,282.20/20,267.10
  6. Step 6: Final answer
    x = 21,051.23

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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.