Home / 28,197.81-38,964.29-26,831.34

Finding the Fourth Proportional to 28,197.81, 38,964.29 and 26,831.34

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Solution

The fourth proportional to 28,197.81, 38,964.29 and 26,831.34 is: 37,076.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,197.81 : 38,964.29 = 26,831.34 : x
  2. Step 2: Convert to fraction form
    28,197.81/38,964.29 = 26,831.34/x
  3. Step 3: Cross multiply
    28,197.81x = 38,964.29 × 26,831.34
  4. Step 4: Simplify right side
    28,197.81x = 1,045,464,112.85
  5. Step 5: Solve for x
    x = 1,045,464,112.85/28,197.81
  6. Step 6: Final answer
    x = 37,076.07

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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.