Home / 25,243.79-37,889.18-12,772.68

Finding the Fourth Proportional to 25,243.79, 37,889.18 and 12,772.68

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Solution

The fourth proportional to 25,243.79, 37,889.18 and 12,772.68 is: 19,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,243.79 : 37,889.18 = 12,772.68 : x
  2. Step 2: Convert to fraction form
    25,243.79/37,889.18 = 12,772.68/x
  3. Step 3: Cross multiply
    25,243.79x = 37,889.18 × 12,772.68
  4. Step 4: Simplify right side
    25,243.79x = 483,946,257.70
  5. Step 5: Solve for x
    x = 483,946,257.70/25,243.79
  6. Step 6: Final answer
    x = 19,170.90

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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.