Home / 28,219.28-42,325.46-16,379.51

Finding the Fourth Proportional to 28,219.28, 42,325.46 and 16,379.51

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Solution

The fourth proportional to 28,219.28, 42,325.46 and 16,379.51 is: 24,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.28 : 42,325.46 = 16,379.51 : x
  2. Step 2: Convert to fraction form
    28,219.28/42,325.46 = 16,379.51/x
  3. Step 3: Cross multiply
    28,219.28x = 42,325.46 × 16,379.51
  4. Step 4: Simplify right side
    28,219.28x = 693,270,063.22
  5. Step 5: Solve for x
    x = 693,270,063.22/28,219.28
  6. Step 6: Final answer
    x = 24,567.25

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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.