Home / 26,831.67-37,014.84-18,878.28

Finding the Fourth Proportional to 26,831.67, 37,014.84 and 18,878.28

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Solution

The fourth proportional to 26,831.67, 37,014.84 and 18,878.28 is: 26,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,831.67 : 37,014.84 = 18,878.28 : x
  2. Step 2: Convert to fraction form
    26,831.67/37,014.84 = 18,878.28/x
  3. Step 3: Cross multiply
    26,831.67x = 37,014.84 × 18,878.28
  4. Step 4: Simplify right side
    26,831.67x = 698,776,513.68
  5. Step 5: Solve for x
    x = 698,776,513.68/26,831.67
  6. Step 6: Final answer
    x = 26,042.98

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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.