Home / 28,586.45-42,883.83-8,866.60

Finding the Fourth Proportional to 28,586.45, 42,883.83 and 8,866.60

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Solution

The fourth proportional to 28,586.45, 42,883.83 and 8,866.60 is: 13,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.45 : 42,883.83 = 8,866.60 : x
  2. Step 2: Convert to fraction form
    28,586.45/42,883.83 = 8,866.60/x
  3. Step 3: Cross multiply
    28,586.45x = 42,883.83 × 8,866.60
  4. Step 4: Simplify right side
    28,586.45x = 380,233,659.87
  5. Step 5: Solve for x
    x = 380,233,659.87/28,586.45
  6. Step 6: Final answer
    x = 13,301.18

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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.