Home / 19,120.43-28,627.47-14,426.27

Finding the Fourth Proportional to 19,120.43, 28,627.47 and 14,426.27

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Solution

The fourth proportional to 19,120.43, 28,627.47 and 14,426.27 is: 21,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.43 : 28,627.47 = 14,426.27 : x
  2. Step 2: Convert to fraction form
    19,120.43/28,627.47 = 14,426.27/x
  3. Step 3: Cross multiply
    19,120.43x = 28,627.47 × 14,426.27
  4. Step 4: Simplify right side
    19,120.43x = 412,987,468.50
  5. Step 5: Solve for x
    x = 412,987,468.50/19,120.43
  6. Step 6: Final answer
    x = 21,599.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.