Home / 28,645.37-42,964.85-8,922.27

Finding the Fourth Proportional to 28,645.37, 42,964.85 and 8,922.27

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Solution

The fourth proportional to 28,645.37, 42,964.85 and 8,922.27 is: 13,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645.37 : 42,964.85 = 8,922.27 : x
  2. Step 2: Convert to fraction form
    28,645.37/42,964.85 = 8,922.27/x
  3. Step 3: Cross multiply
    28,645.37x = 42,964.85 × 8,922.27
  4. Step 4: Simplify right side
    28,645.37x = 383,343,947.60
  5. Step 5: Solve for x
    x = 383,343,947.60/28,645.37
  6. Step 6: Final answer
    x = 13,382.41

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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.