Home / 20,962.83-28,927.41-12,008.28

Finding the Fourth Proportional to 20,962.83, 28,927.41 and 12,008.28

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Solution

The fourth proportional to 20,962.83, 28,927.41 and 12,008.28 is: 16,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,962.83 : 28,927.41 = 12,008.28 : x
  2. Step 2: Convert to fraction form
    20,962.83/28,927.41 = 12,008.28/x
  3. Step 3: Cross multiply
    20,962.83x = 28,927.41 × 12,008.28
  4. Step 4: Simplify right side
    20,962.83x = 347,368,438.95
  5. Step 5: Solve for x
    x = 347,368,438.95/20,962.83
  6. Step 6: Final answer
    x = 16,570.68

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1.5x scale

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.