Home / 25,368.28-38,068.22-12,221.98

Finding the Fourth Proportional to 25,368.28, 38,068.22 and 12,221.98

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Solution

The fourth proportional to 25,368.28, 38,068.22 and 12,221.98 is: 18,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,368.28 : 38,068.22 = 12,221.98 : x
  2. Step 2: Convert to fraction form
    25,368.28/38,068.22 = 12,221.98/x
  3. Step 3: Cross multiply
    25,368.28x = 38,068.22 × 12,221.98
  4. Step 4: Simplify right side
    25,368.28x = 465,269,023.48
  5. Step 5: Solve for x
    x = 465,269,023.48/25,368.28
  6. Step 6: Final answer
    x = 18,340.58

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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.