Home / 18,831.06-28,271.19-15,927.82

Finding the Fourth Proportional to 18,831.06, 28,271.19 and 15,927.82

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Solution

The fourth proportional to 18,831.06, 28,271.19 and 15,927.82 is: 23,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831.06 : 28,271.19 = 15,927.82 : x
  2. Step 2: Convert to fraction form
    18,831.06/28,271.19 = 15,927.82/x
  3. Step 3: Cross multiply
    18,831.06x = 28,271.19 × 15,927.82
  4. Step 4: Simplify right side
    18,831.06x = 450,298,425.51
  5. Step 5: Solve for x
    x = 450,298,425.51/18,831.06
  6. Step 6: Final answer
    x = 23,912.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.