Home / 28,246.11-38,981.01-16,310.55

Finding the Fourth Proportional to 28,246.11, 38,981.01 and 16,310.55

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Solution

The fourth proportional to 28,246.11, 38,981.01 and 16,310.55 is: 22,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.11 : 38,981.01 = 16,310.55 : x
  2. Step 2: Convert to fraction form
    28,246.11/38,981.01 = 16,310.55/x
  3. Step 3: Cross multiply
    28,246.11x = 38,981.01 × 16,310.55
  4. Step 4: Simplify right side
    28,246.11x = 635,801,712.66
  5. Step 5: Solve for x
    x = 635,801,712.66/28,246.11
  6. Step 6: Final answer
    x = 22,509.35

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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.