Home / 19,078.46-26,322.92-15,032.75

Finding the Fourth Proportional to 19,078.46, 26,322.92 and 15,032.75

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Solution

The fourth proportional to 19,078.46, 26,322.92 and 15,032.75 is: 20,740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.46 : 26,322.92 = 15,032.75 : x
  2. Step 2: Convert to fraction form
    19,078.46/26,322.92 = 15,032.75/x
  3. Step 3: Cross multiply
    19,078.46x = 26,322.92 × 15,032.75
  4. Step 4: Simplify right side
    19,078.46x = 395,705,668.85
  5. Step 5: Solve for x
    x = 395,705,668.85/19,078.46
  6. Step 6: Final answer
    x = 20,740.96

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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.