Home / 52,768.22-72,820.26-28,569.42

Finding the Fourth Proportional to 52,768.22, 72,820.26 and 28,569.42

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Solution

The fourth proportional to 52,768.22, 72,820.26 and 28,569.42 is: 39,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,768.22 : 72,820.26 = 28,569.42 : x
  2. Step 2: Convert to fraction form
    52,768.22/72,820.26 = 28,569.42/x
  3. Step 3: Cross multiply
    52,768.22x = 72,820.26 × 28,569.42
  4. Step 4: Simplify right side
    52,768.22x = 2,080,432,592.45
  5. Step 5: Solve for x
    x = 2,080,432,592.45/52,768.22
  6. Step 6: Final answer
    x = 39,425.87

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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.