Home / 18,278.14-27,428.15-16,790.98

Finding the Fourth Proportional to 18,278.14, 27,428.15 and 16,790.98

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Solution

The fourth proportional to 18,278.14, 27,428.15 and 16,790.98 is: 25,196.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.14 : 27,428.15 = 16,790.98 : x
  2. Step 2: Convert to fraction form
    18,278.14/27,428.15 = 16,790.98/x
  3. Step 3: Cross multiply
    18,278.14x = 27,428.15 × 16,790.98
  4. Step 4: Simplify right side
    18,278.14x = 460,545,518.09
  5. Step 5: Solve for x
    x = 460,545,518.09/18,278.14
  6. Step 6: Final answer
    x = 25,196.52

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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.