Home / 25,179.58-37,778.69-10,389.79

Finding the Fourth Proportional to 25,179.58, 37,778.69 and 10,389.79

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Solution

The fourth proportional to 25,179.58, 37,778.69 and 10,389.79 is: 15,588.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,179.58 : 37,778.69 = 10,389.79 : x
  2. Step 2: Convert to fraction form
    25,179.58/37,778.69 = 10,389.79/x
  3. Step 3: Cross multiply
    25,179.58x = 37,778.69 × 10,389.79
  4. Step 4: Simplify right side
    25,179.58x = 392,512,655.58
  5. Step 5: Solve for x
    x = 392,512,655.58/25,179.58
  6. Step 6: Final answer
    x = 15,588.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.