Home / 21,915.45-32,873.18-14,917.05

Finding the Fourth Proportional to 21,915.45, 32,873.18 and 14,917.05

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Solution

The fourth proportional to 21,915.45, 32,873.18 and 14,917.05 is: 22,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,915.45 : 32,873.18 = 14,917.05 : x
  2. Step 2: Convert to fraction form
    21,915.45/32,873.18 = 14,917.05/x
  3. Step 3: Cross multiply
    21,915.45x = 32,873.18 × 14,917.05
  4. Step 4: Simplify right side
    21,915.45x = 490,370,795.13
  5. Step 5: Solve for x
    x = 490,370,795.13/21,915.45
  6. Step 6: Final answer
    x = 22,375.58

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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.