Home / 26,686.44-36,831.78-15,514.92

Finding the Fourth Proportional to 26,686.44, 36,831.78 and 15,514.92

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Solution

The fourth proportional to 26,686.44, 36,831.78 and 15,514.92 is: 21,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,686.44 : 36,831.78 = 15,514.92 : x
  2. Step 2: Convert to fraction form
    26,686.44/36,831.78 = 15,514.92/x
  3. Step 3: Cross multiply
    26,686.44x = 36,831.78 × 15,514.92
  4. Step 4: Simplify right side
    26,686.44x = 571,442,120.16
  5. Step 5: Solve for x
    x = 571,442,120.16/26,686.44
  6. Step 6: Final answer
    x = 21,413.20

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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.