Home / 21,920.40-32,896.44-14,883.72

Finding the Fourth Proportional to 21,920.40, 32,896.44 and 14,883.72

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Solution

The fourth proportional to 21,920.40, 32,896.44 and 14,883.72 is: 22,336.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,920.40 : 32,896.44 = 14,883.72 : x
  2. Step 2: Convert to fraction form
    21,920.40/32,896.44 = 14,883.72/x
  3. Step 3: Cross multiply
    21,920.40x = 32,896.44 × 14,883.72
  4. Step 4: Simplify right side
    21,920.40x = 489,621,401.96
  5. Step 5: Solve for x
    x = 489,621,401.96/21,920.40
  6. Step 6: Final answer
    x = 22,336.34

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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.