Home / 28,864.26-39,831.93-16,288.92

Finding the Fourth Proportional to 28,864.26, 39,831.93 and 16,288.92

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Solution

The fourth proportional to 28,864.26, 39,831.93 and 16,288.92 is: 22,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.26 : 39,831.93 = 16,288.92 : x
  2. Step 2: Convert to fraction form
    28,864.26/39,831.93 = 16,288.92/x
  3. Step 3: Cross multiply
    28,864.26x = 39,831.93 × 16,288.92
  4. Step 4: Simplify right side
    28,864.26x = 648,819,121.22
  5. Step 5: Solve for x
    x = 648,819,121.22/28,864.26
  6. Step 6: Final answer
    x = 22,478.29

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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.