Home / 28,831.77-39,789.23-16,256.25

Finding the Fourth Proportional to 28,831.77, 39,789.23 and 16,256.25

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Solution

The fourth proportional to 28,831.77, 39,789.23 and 16,256.25 is: 22,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.77 : 39,789.23 = 16,256.25 : x
  2. Step 2: Convert to fraction form
    28,831.77/39,789.23 = 16,256.25/x
  3. Step 3: Cross multiply
    28,831.77x = 39,789.23 × 16,256.25
  4. Step 4: Simplify right side
    28,831.77x = 646,823,588.91
  5. Step 5: Solve for x
    x = 646,823,588.91/28,831.77
  6. Step 6: Final answer
    x = 22,434.40

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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.