Home / 27,831.66-38,406.53-16,345.02

Finding the Fourth Proportional to 27,831.66, 38,406.53 and 16,345.02

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Solution

The fourth proportional to 27,831.66, 38,406.53 and 16,345.02 is: 22,555.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,831.66 : 38,406.53 = 16,345.02 : x
  2. Step 2: Convert to fraction form
    27,831.66/38,406.53 = 16,345.02/x
  3. Step 3: Cross multiply
    27,831.66x = 38,406.53 × 16,345.02
  4. Step 4: Simplify right side
    27,831.66x = 627,755,419.26
  5. Step 5: Solve for x
    x = 627,755,419.26/27,831.66
  6. Step 6: Final answer
    x = 22,555.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.