Home / 20,445.26-28,214.74-11,492.24

Finding the Fourth Proportional to 20,445.26, 28,214.74 and 11,492.24

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Solution

The fourth proportional to 20,445.26, 28,214.74 and 11,492.24 is: 15,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,445.26 : 28,214.74 = 11,492.24 : x
  2. Step 2: Convert to fraction form
    20,445.26/28,214.74 = 11,492.24/x
  3. Step 3: Cross multiply
    20,445.26x = 28,214.74 × 11,492.24
  4. Step 4: Simplify right side
    20,445.26x = 324,250,563.62
  5. Step 5: Solve for x
    x = 324,250,563.62/20,445.26
  6. Step 6: Final answer
    x = 15,859.45

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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.