Home / 28,263.25-42,395.69-7,486.75

Finding the Fourth Proportional to 28,263.25, 42,395.69 and 7,486.75

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Solution

The fourth proportional to 28,263.25, 42,395.69 and 7,486.75 is: 11,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263.25 : 42,395.69 = 7,486.75 : x
  2. Step 2: Convert to fraction form
    28,263.25/42,395.69 = 7,486.75/x
  3. Step 3: Cross multiply
    28,263.25x = 42,395.69 × 7,486.75
  4. Step 4: Simplify right side
    28,263.25x = 317,405,932.11
  5. Step 5: Solve for x
    x = 317,405,932.11/28,263.25
  6. Step 6: Final answer
    x = 11,230.34

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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.