Home / 28,783.23-43,169.61-12,154.94

Finding the Fourth Proportional to 28,783.23, 43,169.61 and 12,154.94

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Solution

The fourth proportional to 28,783.23, 43,169.61 and 12,154.94 is: 18,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.23 : 43,169.61 = 12,154.94 : x
  2. Step 2: Convert to fraction form
    28,783.23/43,169.61 = 12,154.94/x
  3. Step 3: Cross multiply
    28,783.23x = 43,169.61 × 12,154.94
  4. Step 4: Simplify right side
    28,783.23x = 524,724,185.45
  5. Step 5: Solve for x
    x = 524,724,185.45/28,783.23
  6. Step 6: Final answer
    x = 18,230.20

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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.