Home / 24,478.75-33,780.77-13,300.75

Finding the Fourth Proportional to 24,478.75, 33,780.77 and 13,300.75

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Solution

The fourth proportional to 24,478.75, 33,780.77 and 13,300.75 is: 18,355.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,478.75 : 33,780.77 = 13,300.75 : x
  2. Step 2: Convert to fraction form
    24,478.75/33,780.77 = 13,300.75/x
  3. Step 3: Cross multiply
    24,478.75x = 33,780.77 × 13,300.75
  4. Step 4: Simplify right side
    24,478.75x = 449,309,576.58
  5. Step 5: Solve for x
    x = 449,309,576.58/24,478.75
  6. Step 6: Final answer
    x = 18,355.09

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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.