Home / 23,989.56-33,108-13,920.24

Finding the Fourth Proportional to 23,989.56, 33,108 and 13,920.24

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Solution

The fourth proportional to 23,989.56, 33,108 and 13,920.24 is: 19,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,989.56 : 33,108 = 13,920.24 : x
  2. Step 2: Convert to fraction form
    23,989.56/33,108 = 13,920.24/x
  3. Step 3: Cross multiply
    23,989.56x = 33,108 × 13,920.24
  4. Step 4: Simplify right side
    23,989.56x = 460,871,305.92
  5. Step 5: Solve for x
    x = 460,871,305.92/23,989.56
  6. Step 6: Final answer
    x = 19,211.33

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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.