Home / 22,128.15-30,548.04-14,585.43

Finding the Fourth Proportional to 22,128.15, 30,548.04 and 14,585.43

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Solution

The fourth proportional to 22,128.15, 30,548.04 and 14,585.43 is: 20,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128.15 : 30,548.04 = 14,585.43 : x
  2. Step 2: Convert to fraction form
    22,128.15/30,548.04 = 14,585.43/x
  3. Step 3: Cross multiply
    22,128.15x = 30,548.04 × 14,585.43
  4. Step 4: Simplify right side
    22,128.15x = 445,556,299.06
  5. Step 5: Solve for x
    x = 445,556,299.06/22,128.15
  6. Step 6: Final answer
    x = 20,135.27

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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.