Home / 28,846.08-39,814-18,756.96

Finding the Fourth Proportional to 28,846.08, 39,814 and 18,756.96

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Solution

The fourth proportional to 28,846.08, 39,814 and 18,756.96 is: 25,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846.08 : 39,814 = 18,756.96 : x
  2. Step 2: Convert to fraction form
    28,846.08/39,814 = 18,756.96/x
  3. Step 3: Cross multiply
    28,846.08x = 39,814 × 18,756.96
  4. Step 4: Simplify right side
    28,846.08x = 746,789,605.44
  5. Step 5: Solve for x
    x = 746,789,605.44/28,846.08
  6. Step 6: Final answer
    x = 25,888.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.