Home / 20,977.04-28,948.68-12,026

Finding the Fourth Proportional to 20,977.04, 28,948.68 and 12,026

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Solution

The fourth proportional to 20,977.04, 28,948.68 and 12,026 is: 16,596.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,977.04 : 28,948.68 = 12,026 : x
  2. Step 2: Convert to fraction form
    20,977.04/28,948.68 = 12,026/x
  3. Step 3: Cross multiply
    20,977.04x = 28,948.68 × 12,026
  4. Step 4: Simplify right side
    20,977.04x = 348,136,825.68
  5. Step 5: Solve for x
    x = 348,136,825.68/20,977.04
  6. Step 6: Final answer
    x = 16,596.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.