Home / 17,266.81-25,880.62-15,182.78

Finding the Fourth Proportional to 17,266.81, 25,880.62 and 15,182.78

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Solution

The fourth proportional to 17,266.81, 25,880.62 and 15,182.78 is: 22,756.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,266.81 : 25,880.62 = 15,182.78 : x
  2. Step 2: Convert to fraction form
    17,266.81/25,880.62 = 15,182.78/x
  3. Step 3: Cross multiply
    17,266.81x = 25,880.62 × 15,182.78
  4. Step 4: Simplify right side
    17,266.81x = 392,939,759.72
  5. Step 5: Solve for x
    x = 392,939,759.72/17,266.81
  6. Step 6: Final answer
    x = 22,756.94

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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.