Home / 17,289.21-23,869.28-16,292.76

Finding the Fourth Proportional to 17,289.21, 23,869.28 and 16,292.76

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Solution

The fourth proportional to 17,289.21, 23,869.28 and 16,292.76 is: 22,493.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,289.21 : 23,869.28 = 16,292.76 : x
  2. Step 2: Convert to fraction form
    17,289.21/23,869.28 = 16,292.76/x
  3. Step 3: Cross multiply
    17,289.21x = 23,869.28 × 16,292.76
  4. Step 4: Simplify right side
    17,289.21x = 388,896,279.44
  5. Step 5: Solve for x
    x = 388,896,279.44/17,289.21
  6. Step 6: Final answer
    x = 22,493.59

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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.