Home / 28,613.74-39,469.52-18,923.18

Finding the Fourth Proportional to 28,613.74, 39,469.52 and 18,923.18

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Solution

The fourth proportional to 28,613.74, 39,469.52 and 18,923.18 is: 26,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,613.74 : 39,469.52 = 18,923.18 : x
  2. Step 2: Convert to fraction form
    28,613.74/39,469.52 = 18,923.18/x
  3. Step 3: Cross multiply
    28,613.74x = 39,469.52 × 18,923.18
  4. Step 4: Simplify right side
    28,613.74x = 746,888,831.47
  5. Step 5: Solve for x
    x = 746,888,831.47/28,613.74
  6. Step 6: Final answer
    x = 26,102.45

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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.