Home / 52,600.83-72,589.72-28,728.20

Finding the Fourth Proportional to 52,600.83, 72,589.72 and 28,728.20

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Solution

The fourth proportional to 52,600.83, 72,589.72 and 28,728.20 is: 39,645.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,600.83 : 72,589.72 = 28,728.20 : x
  2. Step 2: Convert to fraction form
    52,600.83/72,589.72 = 28,728.20/x
  3. Step 3: Cross multiply
    52,600.83x = 72,589.72 × 28,728.20
  4. Step 4: Simplify right side
    52,600.83x = 2,085,371,994.10
  5. Step 5: Solve for x
    x = 2,085,371,994.10/52,600.83
  6. Step 6: Final answer
    x = 39,645.23

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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.