Home / 28,900.55-43,350.82-8,124.05

Finding the Fourth Proportional to 28,900.55, 43,350.82 and 8,124.05

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Solution

The fourth proportional to 28,900.55, 43,350.82 and 8,124.05 is: 12,186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,900.55 : 43,350.82 = 8,124.05 : x
  2. Step 2: Convert to fraction form
    28,900.55/43,350.82 = 8,124.05/x
  3. Step 3: Cross multiply
    28,900.55x = 43,350.82 × 8,124.05
  4. Step 4: Simplify right side
    28,900.55x = 352,184,096.29
  5. Step 5: Solve for x
    x = 352,184,096.29/28,900.55
  6. Step 6: Final answer
    x = 12,186.07

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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.