Home / 28,150.65-38,829.51-18,063.09

Finding the Fourth Proportional to 28,150.65, 38,829.51 and 18,063.09

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Solution

The fourth proportional to 28,150.65, 38,829.51 and 18,063.09 is: 24,915.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.65 : 38,829.51 = 18,063.09 : x
  2. Step 2: Convert to fraction form
    28,150.65/38,829.51 = 18,063.09/x
  3. Step 3: Cross multiply
    28,150.65x = 38,829.51 × 18,063.09
  4. Step 4: Simplify right side
    28,150.65x = 701,380,933.79
  5. Step 5: Solve for x
    x = 701,380,933.79/28,150.65
  6. Step 6: Final answer
    x = 24,915.27

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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.