Home / 28,820.99-43,227.84-7,762.71

Finding the Fourth Proportional to 28,820.99, 43,227.84 and 7,762.71

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Solution

The fourth proportional to 28,820.99, 43,227.84 and 7,762.71 is: 11,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.99 : 43,227.84 = 7,762.71 : x
  2. Step 2: Convert to fraction form
    28,820.99/43,227.84 = 7,762.71/x
  3. Step 3: Cross multiply
    28,820.99x = 43,227.84 × 7,762.71
  4. Step 4: Simplify right side
    28,820.99x = 335,565,185.85
  5. Step 5: Solve for x
    x = 335,565,185.85/28,820.99
  6. Step 6: Final answer
    x = 11,643.08

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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.