Home / 28,116.32-42,169.60-10,586.32

Finding the Fourth Proportional to 28,116.32, 42,169.60 and 10,586.32

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Solution

The fourth proportional to 28,116.32, 42,169.60 and 10,586.32 is: 15,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,116.32 : 42,169.60 = 10,586.32 : x
  2. Step 2: Convert to fraction form
    28,116.32/42,169.60 = 10,586.32/x
  3. Step 3: Cross multiply
    28,116.32x = 42,169.60 × 10,586.32
  4. Step 4: Simplify right side
    28,116.32x = 446,420,879.87
  5. Step 5: Solve for x
    x = 446,420,879.87/28,116.32
  6. Step 6: Final answer
    x = 15,877.64

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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.