Home / 28,370.94-42,559.23-10,855.50

Finding the Fourth Proportional to 28,370.94, 42,559.23 and 10,855.50

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Solution

The fourth proportional to 28,370.94, 42,559.23 and 10,855.50 is: 16,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,370.94 : 42,559.23 = 10,855.50 : x
  2. Step 2: Convert to fraction form
    28,370.94/42,559.23 = 10,855.50/x
  3. Step 3: Cross multiply
    28,370.94x = 42,559.23 × 10,855.50
  4. Step 4: Simplify right side
    28,370.94x = 462,001,721.27
  5. Step 5: Solve for x
    x = 462,001,721.27/28,370.94
  6. Step 6: Final answer
    x = 16,284.33

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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.