Home / 28,803.12-43,205.04-8,025.36

Finding the Fourth Proportional to 28,803.12, 43,205.04 and 8,025.36

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Solution

The fourth proportional to 28,803.12, 43,205.04 and 8,025.36 is: 12,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.12 : 43,205.04 = 8,025.36 : x
  2. Step 2: Convert to fraction form
    28,803.12/43,205.04 = 8,025.36/x
  3. Step 3: Cross multiply
    28,803.12x = 43,205.04 × 8,025.36
  4. Step 4: Simplify right side
    28,803.12x = 346,735,999.81
  5. Step 5: Solve for x
    x = 346,735,999.81/28,803.12
  6. Step 6: Final answer
    x = 12,038.14

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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.