Home / 28,886.61-43,321.30-12,246.37

Finding the Fourth Proportional to 28,886.61, 43,321.30 and 12,246.37

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Solution

The fourth proportional to 28,886.61, 43,321.30 and 12,246.37 is: 18,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.61 : 43,321.30 = 12,246.37 : x
  2. Step 2: Convert to fraction form
    28,886.61/43,321.30 = 12,246.37/x
  3. Step 3: Cross multiply
    28,886.61x = 43,321.30 × 12,246.37
  4. Step 4: Simplify right side
    28,886.61x = 530,528,668.68
  5. Step 5: Solve for x
    x = 530,528,668.68/28,886.61
  6. Step 6: Final answer
    x = 18,365.91

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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.