Home / 25,541.46-38,291.49-11,491.20

Finding the Fourth Proportional to 25,541.46, 38,291.49 and 11,491.20

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Solution

The fourth proportional to 25,541.46, 38,291.49 and 11,491.20 is: 17,227.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,541.46 : 38,291.49 = 11,491.20 : x
  2. Step 2: Convert to fraction form
    25,541.46/38,291.49 = 11,491.20/x
  3. Step 3: Cross multiply
    25,541.46x = 38,291.49 × 11,491.20
  4. Step 4: Simplify right side
    25,541.46x = 440,015,169.89
  5. Step 5: Solve for x
    x = 440,015,169.89/25,541.46
  6. Step 6: Final answer
    x = 17,227.49

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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.