Home / 28,114.46-38,791.56-16,787.63

Finding the Fourth Proportional to 28,114.46, 38,791.56 and 16,787.63

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Solution

The fourth proportional to 28,114.46, 38,791.56 and 16,787.63 is: 23,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114.46 : 38,791.56 = 16,787.63 : x
  2. Step 2: Convert to fraction form
    28,114.46/38,791.56 = 16,787.63/x
  3. Step 3: Cross multiply
    28,114.46x = 38,791.56 × 16,787.63
  4. Step 4: Simplify right side
    28,114.46x = 651,218,225.40
  5. Step 5: Solve for x
    x = 651,218,225.40/28,114.46
  6. Step 6: Final answer
    x = 23,163.10

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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.