Home / 28,846.20-43,271.72-9,124.32

Finding the Fourth Proportional to 28,846.20, 43,271.72 and 9,124.32

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Solution

The fourth proportional to 28,846.20, 43,271.72 and 9,124.32 is: 13,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846.20 : 43,271.72 = 9,124.32 : x
  2. Step 2: Convert to fraction form
    28,846.20/43,271.72 = 9,124.32/x
  3. Step 3: Cross multiply
    28,846.20x = 43,271.72 × 9,124.32
  4. Step 4: Simplify right side
    28,846.20x = 394,825,020.23
  5. Step 5: Solve for x
    x = 394,825,020.23/28,846.20
  6. Step 6: Final answer
    x = 13,687.25

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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.