Home / 25,311.38-37,970.11-10,530.30

Finding the Fourth Proportional to 25,311.38, 37,970.11 and 10,530.30

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Solution

The fourth proportional to 25,311.38, 37,970.11 and 10,530.30 is: 15,796.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,311.38 : 37,970.11 = 10,530.30 : x
  2. Step 2: Convert to fraction form
    25,311.38/37,970.11 = 10,530.30/x
  3. Step 3: Cross multiply
    25,311.38x = 37,970.11 × 10,530.30
  4. Step 4: Simplify right side
    25,311.38x = 399,836,649.33
  5. Step 5: Solve for x
    x = 399,836,649.33/25,311.38
  6. Step 6: Final answer
    x = 15,796.71

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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.