Home / 28,712.06-43,064.67-7,653.68

Finding the Fourth Proportional to 28,712.06, 43,064.67 and 7,653.68

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Solution

The fourth proportional to 28,712.06, 43,064.67 and 7,653.68 is: 11,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,712.06 : 43,064.67 = 7,653.68 : x
  2. Step 2: Convert to fraction form
    28,712.06/43,064.67 = 7,653.68/x
  3. Step 3: Cross multiply
    28,712.06x = 43,064.67 × 7,653.68
  4. Step 4: Simplify right side
    28,712.06x = 329,603,259.10
  5. Step 5: Solve for x
    x = 329,603,259.10/28,712.06
  6. Step 6: Final answer
    x = 11,479.61

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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.