Home / 18,841.26-28,134.56-16,381.74

Finding the Fourth Proportional to 18,841.26, 28,134.56 and 16,381.74

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Solution

The fourth proportional to 18,841.26, 28,134.56 and 16,381.74 is: 24,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.26 : 28,134.56 = 16,381.74 : x
  2. Step 2: Convert to fraction form
    18,841.26/28,134.56 = 16,381.74/x
  3. Step 3: Cross multiply
    18,841.26x = 28,134.56 × 16,381.74
  4. Step 4: Simplify right side
    18,841.26x = 460,892,965.03
  5. Step 5: Solve for x
    x = 460,892,965.03/18,841.26
  6. Step 6: Final answer
    x = 24,461.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.