Home / 28,191.94-42,282.61-14,148.19

Finding the Fourth Proportional to 28,191.94, 42,282.61 and 14,148.19

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Solution

The fourth proportional to 28,191.94, 42,282.61 and 14,148.19 is: 21,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,191.94 : 42,282.61 = 14,148.19 : x
  2. Step 2: Convert to fraction form
    28,191.94/42,282.61 = 14,148.19/x
  3. Step 3: Cross multiply
    28,191.94x = 42,282.61 × 14,148.19
  4. Step 4: Simplify right side
    28,191.94x = 598,222,399.98
  5. Step 5: Solve for x
    x = 598,222,399.98/28,191.94
  6. Step 6: Final answer
    x = 21,219.63

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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.