Home / 27,264.55-40,831.20-18,472.81

Finding the Fourth Proportional to 27,264.55, 40,831.20 and 18,472.81

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Solution

The fourth proportional to 27,264.55, 40,831.20 and 18,472.81 is: 27,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,264.55 : 40,831.20 = 18,472.81 : x
  2. Step 2: Convert to fraction form
    27,264.55/40,831.20 = 18,472.81/x
  3. Step 3: Cross multiply
    27,264.55x = 40,831.20 × 18,472.81
  4. Step 4: Simplify right side
    27,264.55x = 754,266,897.59
  5. Step 5: Solve for x
    x = 754,266,897.59/27,264.55
  6. Step 6: Final answer
    x = 27,664.75

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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.