Home / 28,034.11-38,690.16-17,276.81

Finding the Fourth Proportional to 28,034.11, 38,690.16 and 17,276.81

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Solution

The fourth proportional to 28,034.11, 38,690.16 and 17,276.81 is: 23,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034.11 : 38,690.16 = 17,276.81 : x
  2. Step 2: Convert to fraction form
    28,034.11/38,690.16 = 17,276.81/x
  3. Step 3: Cross multiply
    28,034.11x = 38,690.16 × 17,276.81
  4. Step 4: Simplify right side
    28,034.11x = 668,442,284.95
  5. Step 5: Solve for x
    x = 668,442,284.95/28,034.11
  6. Step 6: Final answer
    x = 23,843.89

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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.