Home / 28,845.36-43,267.74-9,123.94

Finding the Fourth Proportional to 28,845.36, 43,267.74 and 9,123.94

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Solution

The fourth proportional to 28,845.36, 43,267.74 and 9,123.94 is: 13,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.36 : 43,267.74 = 9,123.94 : x
  2. Step 2: Convert to fraction form
    28,845.36/43,267.74 = 9,123.94/x
  3. Step 3: Cross multiply
    28,845.36x = 43,267.74 × 9,123.94
  4. Step 4: Simplify right side
    28,845.36x = 394,772,263.70
  5. Step 5: Solve for x
    x = 394,772,263.70/28,845.36
  6. Step 6: Final answer
    x = 13,685.82

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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.