Home / 28,069.49-42,104.43-19,277.75

Finding the Fourth Proportional to 28,069.49, 42,104.43 and 19,277.75

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Solution

The fourth proportional to 28,069.49, 42,104.43 and 19,277.75 is: 28,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.49 : 42,104.43 = 19,277.75 : x
  2. Step 2: Convert to fraction form
    28,069.49/42,104.43 = 19,277.75/x
  3. Step 3: Cross multiply
    28,069.49x = 42,104.43 × 19,277.75
  4. Step 4: Simplify right side
    28,069.49x = 811,678,675.43
  5. Step 5: Solve for x
    x = 811,678,675.43/28,069.49
  6. Step 6: Final answer
    x = 28,916.76

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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.