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Finding the Fourth Proportional to 28,873.00, 43,311.06 and 9,153.10

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Solution

The fourth proportional to 28,873.00, 43,311.06 and 9,153.10 is: 13,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.00 : 43,311.06 = 9,153.10 : x
  2. Step 2: Convert to fraction form
    28,873.00/43,311.06 = 9,153.10/x
  3. Step 3: Cross multiply
    28,873.00x = 43,311.06 × 9,153.10
  4. Step 4: Simplify right side
    28,873.00x = 396,430,517.42
  5. Step 5: Solve for x
    x = 396,430,517.42/28,873.00
  6. Step 6: Final answer
    x = 13,730.15

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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.