Home / 27,076.19-40,572.40-18,772.43

Finding the Fourth Proportional to 27,076.19, 40,572.40 and 18,772.43

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Solution

The fourth proportional to 27,076.19, 40,572.40 and 18,772.43 is: 28,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,076.19 : 40,572.40 = 18,772.43 : x
  2. Step 2: Convert to fraction form
    27,076.19/40,572.40 = 18,772.43/x
  3. Step 3: Cross multiply
    27,076.19x = 40,572.40 × 18,772.43
  4. Step 4: Simplify right side
    27,076.19x = 761,642,445.07
  5. Step 5: Solve for x
    x = 761,642,445.07/27,076.19
  6. Step 6: Final answer
    x = 28,129.60

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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.