Home / 28,518.27-42,763.12-8,794.26

Finding the Fourth Proportional to 28,518.27, 42,763.12 and 8,794.26

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Solution

The fourth proportional to 28,518.27, 42,763.12 and 8,794.26 is: 13,186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518.27 : 42,763.12 = 8,794.26 : x
  2. Step 2: Convert to fraction form
    28,518.27/42,763.12 = 8,794.26/x
  3. Step 3: Cross multiply
    28,518.27x = 42,763.12 × 8,794.26
  4. Step 4: Simplify right side
    28,518.27x = 376,069,995.69
  5. Step 5: Solve for x
    x = 376,069,995.69/28,518.27
  6. Step 6: Final answer
    x = 13,186.98

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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.