Home / 20,810.08-28,742.54-14,084.04

Finding the Fourth Proportional to 20,810.08, 28,742.54 and 14,084.04

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Solution

The fourth proportional to 20,810.08, 28,742.54 and 14,084.04 is: 19,452.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,810.08 : 28,742.54 = 14,084.04 : x
  2. Step 2: Convert to fraction form
    20,810.08/28,742.54 = 14,084.04/x
  3. Step 3: Cross multiply
    20,810.08x = 28,742.54 × 14,084.04
  4. Step 4: Simplify right side
    20,810.08x = 404,811,083.06
  5. Step 5: Solve for x
    x = 404,811,083.06/20,810.08
  6. Step 6: Final answer
    x = 19,452.64

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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.