Home / 28,886.69-43,334.40-12,246.80

Finding the Fourth Proportional to 28,886.69, 43,334.40 and 12,246.80

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Solution

The fourth proportional to 28,886.69, 43,334.40 and 12,246.80 is: 18,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.69 : 43,334.40 = 12,246.80 : x
  2. Step 2: Convert to fraction form
    28,886.69/43,334.40 = 12,246.80/x
  3. Step 3: Cross multiply
    28,886.69x = 43,334.40 × 12,246.80
  4. Step 4: Simplify right side
    28,886.69x = 530,707,729.92
  5. Step 5: Solve for x
    x = 530,707,729.92/28,886.69
  6. Step 6: Final answer
    x = 18,372.05

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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.