Home / 28,222.41-38,914.98-17,999.79

Finding the Fourth Proportional to 28,222.41, 38,914.98 and 17,999.79

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Solution

The fourth proportional to 28,222.41, 38,914.98 and 17,999.79 is: 24,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,222.41 : 38,914.98 = 17,999.79 : x
  2. Step 2: Convert to fraction form
    28,222.41/38,914.98 = 17,999.79/x
  3. Step 3: Cross multiply
    28,222.41x = 38,914.98 × 17,999.79
  4. Step 4: Simplify right side
    28,222.41x = 700,461,467.85
  5. Step 5: Solve for x
    x = 700,461,467.85/28,222.41
  6. Step 6: Final answer
    x = 24,819.34

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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.