Home / 52,766.88-72,818-28,893.12

Finding the Fourth Proportional to 52,766.88, 72,818 and 28,893.12

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Solution

The fourth proportional to 52,766.88, 72,818 and 28,893.12 is: 39,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,766.88 : 72,818 = 28,893.12 : x
  2. Step 2: Convert to fraction form
    52,766.88/72,818 = 28,893.12/x
  3. Step 3: Cross multiply
    52,766.88x = 72,818 × 28,893.12
  4. Step 4: Simplify right side
    52,766.88x = 2,103,939,212.16
  5. Step 5: Solve for x
    x = 2,103,939,212.16/52,766.88
  6. Step 6: Final answer
    x = 39,872.34

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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.