Home / 28,716.02-39,622.29-16,777.05

Finding the Fourth Proportional to 28,716.02, 39,622.29 and 16,777.05

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Solution

The fourth proportional to 28,716.02, 39,622.29 and 16,777.05 is: 23,148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.02 : 39,622.29 = 16,777.05 : x
  2. Step 2: Convert to fraction form
    28,716.02/39,622.29 = 16,777.05/x
  3. Step 3: Cross multiply
    28,716.02x = 39,622.29 × 16,777.05
  4. Step 4: Simplify right side
    28,716.02x = 664,744,942.33
  5. Step 5: Solve for x
    x = 664,744,942.33/28,716.02
  6. Step 6: Final answer
    x = 23,148.93

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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.