Home / 20,554.50-28,339.38-16,773.84

Finding the Fourth Proportional to 20,554.50, 28,339.38 and 16,773.84

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Solution

The fourth proportional to 20,554.50, 28,339.38 and 16,773.84 is: 23,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.50 : 28,339.38 = 16,773.84 : x
  2. Step 2: Convert to fraction form
    20,554.50/28,339.38 = 16,773.84/x
  3. Step 3: Cross multiply
    20,554.50x = 28,339.38 × 16,773.84
  4. Step 4: Simplify right side
    20,554.50x = 475,360,225.82
  5. Step 5: Solve for x
    x = 475,360,225.82/20,554.50
  6. Step 6: Final answer
    x = 23,126.82

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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.