Home / 28,883.81-43,333.02-8,107.31

Finding the Fourth Proportional to 28,883.81, 43,333.02 and 8,107.31

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Solution

The fourth proportional to 28,883.81, 43,333.02 and 8,107.31 is: 12,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.81 : 43,333.02 = 8,107.31 : x
  2. Step 2: Convert to fraction form
    28,883.81/43,333.02 = 8,107.31/x
  3. Step 3: Cross multiply
    28,883.81x = 43,333.02 × 8,107.31
  4. Step 4: Simplify right side
    28,883.81x = 351,314,334.71
  5. Step 5: Solve for x
    x = 351,314,334.71/28,883.81
  6. Step 6: Final answer
    x = 12,163.02

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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.