Home / 28,357.58-42,245.36-27,078.18

Finding the Fourth Proportional to 28,357.58, 42,245.36 and 27,078.18

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Solution

The fourth proportional to 28,357.58, 42,245.36 and 27,078.18 is: 40,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,357.58 : 42,245.36 = 27,078.18 : x
  2. Step 2: Convert to fraction form
    28,357.58/42,245.36 = 27,078.18/x
  3. Step 3: Cross multiply
    28,357.58x = 42,245.36 × 27,078.18
  4. Step 4: Simplify right side
    28,357.58x = 1,143,927,326.85
  5. Step 5: Solve for x
    x = 1,143,927,326.85/28,357.58
  6. Step 6: Final answer
    x = 40,339.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.