Home / 25,699.68-35,469.36-16,269.12

Finding the Fourth Proportional to 25,699.68, 35,469.36 and 16,269.12

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Solution

The fourth proportional to 25,699.68, 35,469.36 and 16,269.12 is: 22,453.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.68 : 35,469.36 = 16,269.12 : x
  2. Step 2: Convert to fraction form
    25,699.68/35,469.36 = 16,269.12/x
  3. Step 3: Cross multiply
    25,699.68x = 35,469.36 × 16,269.12
  4. Step 4: Simplify right side
    25,699.68x = 577,055,274.16
  5. Step 5: Solve for x
    x = 577,055,274.16/25,699.68
  6. Step 6: Final answer
    x = 22,453.79

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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.