Home / 28,913.71-43,370.57-9,192.27

Finding the Fourth Proportional to 28,913.71, 43,370.57 and 9,192.27

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Solution

The fourth proportional to 28,913.71, 43,370.57 and 9,192.27 is: 13,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.71 : 43,370.57 = 9,192.27 : x
  2. Step 2: Convert to fraction form
    28,913.71/43,370.57 = 9,192.27/x
  3. Step 3: Cross multiply
    28,913.71x = 43,370.57 × 9,192.27
  4. Step 4: Simplify right side
    28,913.71x = 398,673,989.49
  5. Step 5: Solve for x
    x = 398,673,989.49/28,913.71
  6. Step 6: Final answer
    x = 13,788.41

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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.