Home / 25,136.76-37,701.70-13,912.86

Finding the Fourth Proportional to 25,136.76, 37,701.70 and 13,912.86

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Solution

The fourth proportional to 25,136.76, 37,701.70 and 13,912.86 is: 20,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,136.76 : 37,701.70 = 13,912.86 : x
  2. Step 2: Convert to fraction form
    25,136.76/37,701.70 = 13,912.86/x
  3. Step 3: Cross multiply
    25,136.76x = 37,701.70 × 13,912.86
  4. Step 4: Simplify right side
    25,136.76x = 524,538,439.08
  5. Step 5: Solve for x
    x = 524,538,439.08/25,136.76
  6. Step 6: Final answer
    x = 20,867.38

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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.