Home / 26,831.80-40,247.70-8,114.72

Finding the Fourth Proportional to 26,831.80, 40,247.70 and 8,114.72

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Solution

The fourth proportional to 26,831.80, 40,247.70 and 8,114.72 is: 12,172.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,831.80 : 40,247.70 = 8,114.72 : x
  2. Step 2: Convert to fraction form
    26,831.80/40,247.70 = 8,114.72/x
  3. Step 3: Cross multiply
    26,831.80x = 40,247.70 × 8,114.72
  4. Step 4: Simplify right side
    26,831.80x = 326,598,816.14
  5. Step 5: Solve for x
    x = 326,598,816.14/26,831.80
  6. Step 6: Final answer
    x = 12,172.08

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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.