Home / 19,268.83-28,902.84-8,880.58

Finding the Fourth Proportional to 19,268.83, 28,902.84 and 8,880.58

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Solution

The fourth proportional to 19,268.83, 28,902.84 and 8,880.58 is: 13,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.83 : 28,902.84 = 8,880.58 : x
  2. Step 2: Convert to fraction form
    19,268.83/28,902.84 = 8,880.58/x
  3. Step 3: Cross multiply
    19,268.83x = 28,902.84 × 8,880.58
  4. Step 4: Simplify right side
    19,268.83x = 256,673,985.67
  5. Step 5: Solve for x
    x = 256,673,985.67/19,268.83
  6. Step 6: Final answer
    x = 13,320.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.