Home / 26,743.52-40,128.24-12,701.36

Finding the Fourth Proportional to 26,743.52, 40,128.24 and 12,701.36

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Solution

The fourth proportional to 26,743.52, 40,128.24 and 12,701.36 is: 19,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,743.52 : 40,128.24 = 12,701.36 : x
  2. Step 2: Convert to fraction form
    26,743.52/40,128.24 = 12,701.36/x
  3. Step 3: Cross multiply
    26,743.52x = 40,128.24 × 12,701.36
  4. Step 4: Simplify right side
    26,743.52x = 509,683,222.41
  5. Step 5: Solve for x
    x = 509,683,222.41/26,743.52
  6. Step 6: Final answer
    x = 19,058.20

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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.