Home / 28,586.08-42,883.27-8,866.22

Finding the Fourth Proportional to 28,586.08, 42,883.27 and 8,866.22

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Solution

The fourth proportional to 28,586.08, 42,883.27 and 8,866.22 is: 13,300.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.08 : 42,883.27 = 8,866.22 : x
  2. Step 2: Convert to fraction form
    28,586.08/42,883.27 = 8,866.22/x
  3. Step 3: Cross multiply
    28,586.08x = 42,883.27 × 8,866.22
  4. Step 4: Simplify right side
    28,586.08x = 380,212,591.18
  5. Step 5: Solve for x
    x = 380,212,591.18/28,586.08
  6. Step 6: Final answer
    x = 13,300.62

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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.