Home / 20,809.08-28,741.16-14,083.04

Finding the Fourth Proportional to 20,809.08, 28,741.16 and 14,083.04

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Solution

The fourth proportional to 20,809.08, 28,741.16 and 14,083.04 is: 19,451.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,809.08 : 28,741.16 = 14,083.04 : x
  2. Step 2: Convert to fraction form
    20,809.08/28,741.16 = 14,083.04/x
  3. Step 3: Cross multiply
    20,809.08x = 28,741.16 × 14,083.04
  4. Step 4: Simplify right side
    20,809.08x = 404,762,905.93
  5. Step 5: Solve for x
    x = 404,762,905.93/20,809.08
  6. Step 6: Final answer
    x = 19,451.26

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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.