Home / 20,897.10-28,849.26-16,141.68

Finding the Fourth Proportional to 20,897.10, 28,849.26 and 16,141.68

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Solution

The fourth proportional to 20,897.10, 28,849.26 and 16,141.68 is: 22,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,897.10 : 28,849.26 = 16,141.68 : x
  2. Step 2: Convert to fraction form
    20,897.10/28,849.26 = 16,141.68/x
  3. Step 3: Cross multiply
    20,897.10x = 28,849.26 × 16,141.68
  4. Step 4: Simplify right side
    20,897.10x = 465,675,523.16
  5. Step 5: Solve for x
    x = 465,675,523.16/20,897.10
  6. Step 6: Final answer
    x = 22,284.22

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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.