Home / 27,026.16-40,534.50-12,231.60

Finding the Fourth Proportional to 27,026.16, 40,534.50 and 12,231.60

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Solution

The fourth proportional to 27,026.16, 40,534.50 and 12,231.60 is: 18,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,026.16 : 40,534.50 = 12,231.60 : x
  2. Step 2: Convert to fraction form
    27,026.16/40,534.50 = 12,231.60/x
  3. Step 3: Cross multiply
    27,026.16x = 40,534.50 × 12,231.60
  4. Step 4: Simplify right side
    27,026.16x = 495,801,790.20
  5. Step 5: Solve for x
    x = 495,801,790.20/27,026.16
  6. Step 6: Final answer
    x = 18,345.25

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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.