Home / 20,612.04-28,455.64-16,126.26

Finding the Fourth Proportional to 20,612.04, 28,455.64 and 16,126.26

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Solution

The fourth proportional to 20,612.04, 28,455.64 and 16,126.26 is: 22,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,612.04 : 28,455.64 = 16,126.26 : x
  2. Step 2: Convert to fraction form
    20,612.04/28,455.64 = 16,126.26/x
  3. Step 3: Cross multiply
    20,612.04x = 28,455.64 × 16,126.26
  4. Step 4: Simplify right side
    20,612.04x = 458,883,049.11
  5. Step 5: Solve for x
    x = 458,883,049.11/20,612.04
  6. Step 6: Final answer
    x = 22,262.86

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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.