Home / 27,018.59-40,495.05-19,123.41

Finding the Fourth Proportional to 27,018.59, 40,495.05 and 19,123.41

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Solution

The fourth proportional to 27,018.59, 40,495.05 and 19,123.41 is: 28,661.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.59 : 40,495.05 = 19,123.41 : x
  2. Step 2: Convert to fraction form
    27,018.59/40,495.05 = 19,123.41/x
  3. Step 3: Cross multiply
    27,018.59x = 40,495.05 × 19,123.41
  4. Step 4: Simplify right side
    27,018.59x = 774,403,444.12
  5. Step 5: Solve for x
    x = 774,403,444.12/27,018.59
  6. Step 6: Final answer
    x = 28,661.88

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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.