Home / 27,188.55-40,695.30-14,022.81

Finding the Fourth Proportional to 27,188.55, 40,695.30 and 14,022.81

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Solution

The fourth proportional to 27,188.55, 40,695.30 and 14,022.81 is: 20,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188.55 : 40,695.30 = 14,022.81 : x
  2. Step 2: Convert to fraction form
    27,188.55/40,695.30 = 14,022.81/x
  3. Step 3: Cross multiply
    27,188.55x = 40,695.30 × 14,022.81
  4. Step 4: Simplify right side
    27,188.55x = 570,662,459.79
  5. Step 5: Solve for x
    x = 570,662,459.79/27,188.55
  6. Step 6: Final answer
    x = 20,989.07

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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.