Home / 18,772.12-28,225.70-17,309.22

Finding the Fourth Proportional to 18,772.12, 28,225.70 and 17,309.22

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Solution

The fourth proportional to 18,772.12, 28,225.70 and 17,309.22 is: 26,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772.12 : 28,225.70 = 17,309.22 : x
  2. Step 2: Convert to fraction form
    18,772.12/28,225.70 = 17,309.22/x
  3. Step 3: Cross multiply
    18,772.12x = 28,225.70 × 17,309.22
  4. Step 4: Simplify right side
    18,772.12x = 488,564,764.41
  5. Step 5: Solve for x
    x = 488,564,764.41/18,772.12
  6. Step 6: Final answer
    x = 26,026.09

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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.