Home / 25,466.46-38,164.77-19,221.18

Finding the Fourth Proportional to 25,466.46, 38,164.77 and 19,221.18

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Solution

The fourth proportional to 25,466.46, 38,164.77 and 19,221.18 is: 28,805.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,466.46 : 38,164.77 = 19,221.18 : x
  2. Step 2: Convert to fraction form
    25,466.46/38,164.77 = 19,221.18/x
  3. Step 3: Cross multiply
    25,466.46x = 38,164.77 × 19,221.18
  4. Step 4: Simplify right side
    25,466.46x = 733,571,913.83
  5. Step 5: Solve for x
    x = 733,571,913.83/25,466.46
  6. Step 6: Final answer
    x = 28,805.41

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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.