Home / 25,575.99-35,296.64-15,504.86

Finding the Fourth Proportional to 25,575.99, 35,296.64 and 15,504.86

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Solution

The fourth proportional to 25,575.99, 35,296.64 and 15,504.86 is: 21,397.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,575.99 : 35,296.64 = 15,504.86 : x
  2. Step 2: Convert to fraction form
    25,575.99/35,296.64 = 15,504.86/x
  3. Step 3: Cross multiply
    25,575.99x = 35,296.64 × 15,504.86
  4. Step 4: Simplify right side
    25,575.99x = 547,269,294.88
  5. Step 5: Solve for x
    x = 547,269,294.88/25,575.99
  6. Step 6: Final answer
    x = 21,397.78

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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.