Home / 28,495.06-42,739.35-7,716.94

Finding the Fourth Proportional to 28,495.06, 42,739.35 and 7,716.94

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Solution

The fourth proportional to 28,495.06, 42,739.35 and 7,716.94 is: 11,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495.06 : 42,739.35 = 7,716.94 : x
  2. Step 2: Convert to fraction form
    28,495.06/42,739.35 = 7,716.94/x
  3. Step 3: Cross multiply
    28,495.06x = 42,739.35 × 7,716.94
  4. Step 4: Simplify right side
    28,495.06x = 329,816,863.80
  5. Step 5: Solve for x
    x = 329,816,863.80/28,495.06
  6. Step 6: Final answer
    x = 11,574.53

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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.