Home / 28,913.66-43,382.79-12,277.27

Finding the Fourth Proportional to 28,913.66, 43,382.79 and 12,277.27

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Solution

The fourth proportional to 28,913.66, 43,382.79 and 12,277.27 is: 18,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.66 : 43,382.79 = 12,277.27 : x
  2. Step 2: Convert to fraction form
    28,913.66/43,382.79 = 12,277.27/x
  3. Step 3: Cross multiply
    28,913.66x = 43,382.79 × 12,277.27
  4. Step 4: Simplify right side
    28,913.66x = 532,622,280.41
  5. Step 5: Solve for x
    x = 532,622,280.41/28,913.66
  6. Step 6: Final answer
    x = 18,421.13

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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.