Home / 28,853.11-39,831.38-22,865.59

Finding the Fourth Proportional to 28,853.11, 39,831.38 and 22,865.59

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Solution

The fourth proportional to 28,853.11, 39,831.38 and 22,865.59 is: 31,565.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853.11 : 39,831.38 = 22,865.59 : x
  2. Step 2: Convert to fraction form
    28,853.11/39,831.38 = 22,865.59/x
  3. Step 3: Cross multiply
    28,853.11x = 39,831.38 × 22,865.59
  4. Step 4: Simplify right side
    28,853.11x = 910,768,004.21
  5. Step 5: Solve for x
    x = 910,768,004.21/28,853.11
  6. Step 6: Final answer
    x = 31,565.68

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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.