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Finding the Fourth Proportional to 25,352.01, 34,987.01 and 14,021.46

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Solution

The fourth proportional to 25,352.01, 34,987.01 and 14,021.46 is: 19,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,352.01 : 34,987.01 = 14,021.46 : x
  2. Step 2: Convert to fraction form
    25,352.01/34,987.01 = 14,021.46/x
  3. Step 3: Cross multiply
    25,352.01x = 34,987.01 × 14,021.46
  4. Step 4: Simplify right side
    25,352.01x = 490,568,891.13
  5. Step 5: Solve for x
    x = 490,568,891.13/25,352.01
  6. Step 6: Final answer
    x = 19,350.30

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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.