Home / 25,220.10-37,794.51-10,419.78

Finding the Fourth Proportional to 25,220.10, 37,794.51 and 10,419.78

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Solution

The fourth proportional to 25,220.10, 37,794.51 and 10,419.78 is: 15,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220.10 : 37,794.51 = 10,419.78 : x
  2. Step 2: Convert to fraction form
    25,220.10/37,794.51 = 10,419.78/x
  3. Step 3: Cross multiply
    25,220.10x = 37,794.51 × 10,419.78
  4. Step 4: Simplify right side
    25,220.10x = 393,810,479.41
  5. Step 5: Solve for x
    x = 393,810,479.41/25,220.10
  6. Step 6: Final answer
    x = 15,614.95

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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.