Home / 25,278.03-37,940.49-12,806.88

Finding the Fourth Proportional to 25,278.03, 37,940.49 and 12,806.88

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Solution

The fourth proportional to 25,278.03, 37,940.49 and 12,806.88 is: 19,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.03 : 37,940.49 = 12,806.88 : x
  2. Step 2: Convert to fraction form
    25,278.03/37,940.49 = 12,806.88/x
  3. Step 3: Cross multiply
    25,278.03x = 37,940.49 × 12,806.88
  4. Step 4: Simplify right side
    25,278.03x = 485,899,302.57
  5. Step 5: Solve for x
    x = 485,899,302.57/25,278.03
  6. Step 6: Final answer
    x = 19,222.20

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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.