Home / 28,847.12-43,255.60-13,038.56

Finding the Fourth Proportional to 28,847.12, 43,255.60 and 13,038.56

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Solution

The fourth proportional to 28,847.12, 43,255.60 and 13,038.56 is: 19,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847.12 : 43,255.60 = 13,038.56 : x
  2. Step 2: Convert to fraction form
    28,847.12/43,255.60 = 13,038.56/x
  3. Step 3: Cross multiply
    28,847.12x = 43,255.60 × 13,038.56
  4. Step 4: Simplify right side
    28,847.12x = 563,990,735.94
  5. Step 5: Solve for x
    x = 563,990,735.94/28,847.12
  6. Step 6: Final answer
    x = 19,551.02

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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.