Home / 17,808.28-26,847.65-16,855.72

Finding the Fourth Proportional to 17,808.28, 26,847.65 and 16,855.72

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Solution

The fourth proportional to 17,808.28, 26,847.65 and 16,855.72 is: 25,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.28 : 26,847.65 = 16,855.72 : x
  2. Step 2: Convert to fraction form
    17,808.28/26,847.65 = 16,855.72/x
  3. Step 3: Cross multiply
    17,808.28x = 26,847.65 × 16,855.72
  4. Step 4: Simplify right side
    17,808.28x = 452,536,471.06
  5. Step 5: Solve for x
    x = 452,536,471.06/17,808.28
  6. Step 6: Final answer
    x = 25,411.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.