Home / 28,901.27-43,351.90-8,124.77

Finding the Fourth Proportional to 28,901.27, 43,351.90 and 8,124.77

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Solution

The fourth proportional to 28,901.27, 43,351.90 and 8,124.77 is: 12,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.27 : 43,351.90 = 8,124.77 : x
  2. Step 2: Convert to fraction form
    28,901.27/43,351.90 = 8,124.77/x
  3. Step 3: Cross multiply
    28,901.27x = 43,351.90 × 8,124.77
  4. Step 4: Simplify right side
    28,901.27x = 352,224,216.56
  5. Step 5: Solve for x
    x = 352,224,216.56/28,901.27
  6. Step 6: Final answer
    x = 12,187.15

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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.