Home / 28,968.44-43,465.41-12,330.23

Finding the Fourth Proportional to 28,968.44, 43,465.41 and 12,330.23

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Solution

The fourth proportional to 28,968.44, 43,465.41 and 12,330.23 is: 18,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,968.44 : 43,465.41 = 12,330.23 : x
  2. Step 2: Convert to fraction form
    28,968.44/43,465.41 = 12,330.23/x
  3. Step 3: Cross multiply
    28,968.44x = 43,465.41 × 12,330.23
  4. Step 4: Simplify right side
    28,968.44x = 535,938,285.02
  5. Step 5: Solve for x
    x = 535,938,285.02/28,968.44
  6. Step 6: Final answer
    x = 18,500.77

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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.