Home / 25,575.85-35,295.66-14,821.09

Finding the Fourth Proportional to 25,575.85, 35,295.66 and 14,821.09

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Solution

The fourth proportional to 25,575.85, 35,295.66 and 14,821.09 is: 20,453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,575.85 : 35,295.66 = 14,821.09 : x
  2. Step 2: Convert to fraction form
    25,575.85/35,295.66 = 14,821.09/x
  3. Step 3: Cross multiply
    25,575.85x = 35,295.66 × 14,821.09
  4. Step 4: Simplify right side
    25,575.85x = 523,120,204.66
  5. Step 5: Solve for x
    x = 523,120,204.66/25,575.85
  6. Step 6: Final answer
    x = 20,453.68

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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.