Home / 28,850.31-39,811.89-16,274.25

Finding the Fourth Proportional to 28,850.31, 39,811.89 and 16,274.25

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Solution

The fourth proportional to 28,850.31, 39,811.89 and 16,274.25 is: 22,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.31 : 39,811.89 = 16,274.25 : x
  2. Step 2: Convert to fraction form
    28,850.31/39,811.89 = 16,274.25/x
  3. Step 3: Cross multiply
    28,850.31x = 39,811.89 × 16,274.25
  4. Step 4: Simplify right side
    28,850.31x = 647,908,650.83
  5. Step 5: Solve for x
    x = 647,908,650.83/28,850.31
  6. Step 6: Final answer
    x = 22,457.60

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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.