Home / 52,729.03-72,766.07-28,855.72

Finding the Fourth Proportional to 52,729.03, 72,766.07 and 28,855.72

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Solution

The fourth proportional to 52,729.03, 72,766.07 and 28,855.72 is: 39,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,729.03 : 72,766.07 = 28,855.72 : x
  2. Step 2: Convert to fraction form
    52,729.03/72,766.07 = 28,855.72/x
  3. Step 3: Cross multiply
    52,729.03x = 72,766.07 × 28,855.72
  4. Step 4: Simplify right side
    52,729.03x = 2,099,717,341.42
  5. Step 5: Solve for x
    x = 2,099,717,341.42/52,729.03
  6. Step 6: Final answer
    x = 39,820.90

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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.