Home / 25,367.28-38,066.72-12,220.98

Finding the Fourth Proportional to 25,367.28, 38,066.72 and 12,220.98

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Solution

The fourth proportional to 25,367.28, 38,066.72 and 12,220.98 is: 18,339.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,367.28 : 38,066.72 = 12,220.98 : x
  2. Step 2: Convert to fraction form
    25,367.28/38,066.72 = 12,220.98/x
  3. Step 3: Cross multiply
    25,367.28x = 38,066.72 × 12,220.98
  4. Step 4: Simplify right side
    25,367.28x = 465,212,562.68
  5. Step 5: Solve for x
    x = 465,212,562.68/25,367.28
  6. Step 6: Final answer
    x = 18,339.08

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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.