Home / 28,900.73-43,351.09-8,124.23

Finding the Fourth Proportional to 28,900.73, 43,351.09 and 8,124.23

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Solution

The fourth proportional to 28,900.73, 43,351.09 and 8,124.23 is: 12,186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,900.73 : 43,351.09 = 8,124.23 : x
  2. Step 2: Convert to fraction form
    28,900.73/43,351.09 = 8,124.23/x
  3. Step 3: Cross multiply
    28,900.73x = 43,351.09 × 8,124.23
  4. Step 4: Simplify right side
    28,900.73x = 352,194,225.91
  5. Step 5: Solve for x
    x = 352,194,225.91/28,900.73
  6. Step 6: Final answer
    x = 12,186.34

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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.