Home / 19,146.80-28,682.34-17,711.36

Finding the Fourth Proportional to 19,146.80, 28,682.34 and 17,711.36

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Solution

The fourth proportional to 19,146.80, 28,682.34 and 17,711.36 is: 26,532.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.80 : 28,682.34 = 17,711.36 : x
  2. Step 2: Convert to fraction form
    19,146.80/28,682.34 = 17,711.36/x
  3. Step 3: Cross multiply
    19,146.80x = 28,682.34 × 17,711.36
  4. Step 4: Simplify right side
    19,146.80x = 508,003,249.38
  5. Step 5: Solve for x
    x = 508,003,249.38/19,146.80
  6. Step 6: Final answer
    x = 26,532.02

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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.