Home / 28,050.14-42,081.70-8,328.26

Finding the Fourth Proportional to 28,050.14, 42,081.70 and 8,328.26

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Solution

The fourth proportional to 28,050.14, 42,081.70 and 8,328.26 is: 12,494.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.14 : 42,081.70 = 8,328.26 : x
  2. Step 2: Convert to fraction form
    28,050.14/42,081.70 = 8,328.26/x
  3. Step 3: Cross multiply
    28,050.14x = 42,081.70 × 8,328.26
  4. Step 4: Simplify right side
    28,050.14x = 350,467,338.84
  5. Step 5: Solve for x
    x = 350,467,338.84/28,050.14
  6. Step 6: Final answer
    x = 12,494.32

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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.