Home / 19,790.32-29,615.36-17,454.89

Finding the Fourth Proportional to 19,790.32, 29,615.36 and 17,454.89

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Solution

The fourth proportional to 19,790.32, 29,615.36 and 17,454.89 is: 26,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.32 : 29,615.36 = 17,454.89 : x
  2. Step 2: Convert to fraction form
    19,790.32/29,615.36 = 17,454.89/x
  3. Step 3: Cross multiply
    19,790.32x = 29,615.36 × 17,454.89
  4. Step 4: Simplify right side
    19,790.32x = 516,932,857.73
  5. Step 5: Solve for x
    x = 516,932,857.73/19,790.32
  6. Step 6: Final answer
    x = 26,120.49

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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.