Home / 28,667.20-43,017.39-12,025.74

Finding the Fourth Proportional to 28,667.20, 43,017.39 and 12,025.74

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Solution

The fourth proportional to 28,667.20, 43,017.39 and 12,025.74 is: 18,045.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,667.20 : 43,017.39 = 12,025.74 : x
  2. Step 2: Convert to fraction form
    28,667.20/43,017.39 = 12,025.74/x
  3. Step 3: Cross multiply
    28,667.20x = 43,017.39 × 12,025.74
  4. Step 4: Simplify right side
    28,667.20x = 517,315,947.62
  5. Step 5: Solve for x
    x = 517,315,947.62/28,667.20
  6. Step 6: Final answer
    x = 18,045.57

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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.