Home / 19,294.60-28,941.90-5,443.72

Finding the Fourth Proportional to 19,294.60, 28,941.90 and 5,443.72

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Solution

The fourth proportional to 19,294.60, 28,941.90 and 5,443.72 is: 8,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.60 : 28,941.90 = 5,443.72 : x
  2. Step 2: Convert to fraction form
    19,294.60/28,941.90 = 5,443.72/x
  3. Step 3: Cross multiply
    19,294.60x = 28,941.90 × 5,443.72
  4. Step 4: Simplify right side
    19,294.60x = 157,551,599.87
  5. Step 5: Solve for x
    x = 157,551,599.87/19,294.60
  6. Step 6: Final answer
    x = 8,165.58

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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.