Home / 28,194.84-42,182.82-19,403.10

Finding the Fourth Proportional to 28,194.84, 42,182.82 and 19,403.10

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Solution

The fourth proportional to 28,194.84, 42,182.82 and 19,403.10 is: 29,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.84 : 42,182.82 = 19,403.10 : x
  2. Step 2: Convert to fraction form
    28,194.84/42,182.82 = 19,403.10/x
  3. Step 3: Cross multiply
    28,194.84x = 42,182.82 × 19,403.10
  4. Step 4: Simplify right side
    28,194.84x = 818,477,474.74
  5. Step 5: Solve for x
    x = 818,477,474.74/28,194.84
  6. Step 6: Final answer
    x = 29,029.34

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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.