Home / 26,831.49-40,242.65-7,112.04

Finding the Fourth Proportional to 26,831.49, 40,242.65 and 7,112.04

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Solution

The fourth proportional to 26,831.49, 40,242.65 and 7,112.04 is: 10,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,831.49 : 40,242.65 = 7,112.04 : x
  2. Step 2: Convert to fraction form
    26,831.49/40,242.65 = 7,112.04/x
  3. Step 3: Cross multiply
    26,831.49x = 40,242.65 × 7,112.04
  4. Step 4: Simplify right side
    26,831.49x = 286,207,300.95
  5. Step 5: Solve for x
    x = 286,207,300.95/26,831.49
  6. Step 6: Final answer
    x = 10,666.84

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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.