Home / 27,099.89-40,607.69-18,796.13

Finding the Fourth Proportional to 27,099.89, 40,607.69 and 18,796.13

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Solution

The fourth proportional to 27,099.89, 40,607.69 and 18,796.13 is: 28,164.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,099.89 : 40,607.69 = 18,796.13 : x
  2. Step 2: Convert to fraction form
    27,099.89/40,607.69 = 18,796.13/x
  3. Step 3: Cross multiply
    27,099.89x = 40,607.69 × 18,796.13
  4. Step 4: Simplify right side
    27,099.89x = 763,267,123.22
  5. Step 5: Solve for x
    x = 763,267,123.22/27,099.89
  6. Step 6: Final answer
    x = 28,164.96

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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.