Home / 27,042.64-40,548.15-18,168.28

Finding the Fourth Proportional to 27,042.64, 40,548.15 and 18,168.28

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Solution

The fourth proportional to 27,042.64, 40,548.15 and 18,168.28 is: 27,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,042.64 : 40,548.15 = 18,168.28 : x
  2. Step 2: Convert to fraction form
    27,042.64/40,548.15 = 18,168.28/x
  3. Step 3: Cross multiply
    27,042.64x = 40,548.15 × 18,168.28
  4. Step 4: Simplify right side
    27,042.64x = 736,690,041.31
  5. Step 5: Solve for x
    x = 736,690,041.31/27,042.64
  6. Step 6: Final answer
    x = 27,241.80

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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.