Home / 21,890.60-32,835.90-14,892.20

Finding the Fourth Proportional to 21,890.60, 32,835.90 and 14,892.20

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Solution

The fourth proportional to 21,890.60, 32,835.90 and 14,892.20 is: 22,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,890.60 : 32,835.90 = 14,892.20 : x
  2. Step 2: Convert to fraction form
    21,890.60/32,835.90 = 14,892.20/x
  3. Step 3: Cross multiply
    21,890.60x = 32,835.90 × 14,892.20
  4. Step 4: Simplify right side
    21,890.60x = 488,998,789.98
  5. Step 5: Solve for x
    x = 488,998,789.98/21,890.60
  6. Step 6: Final answer
    x = 22,338.30

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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.