Home / 28,568.22-42,838.29-11,923.26

Finding the Fourth Proportional to 28,568.22, 42,838.29 and 11,923.26

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Solution

The fourth proportional to 28,568.22, 42,838.29 and 11,923.26 is: 17,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,568.22 : 42,838.29 = 11,923.26 : x
  2. Step 2: Convert to fraction form
    28,568.22/42,838.29 = 11,923.26/x
  3. Step 3: Cross multiply
    28,568.22x = 42,838.29 × 11,923.26
  4. Step 4: Simplify right side
    28,568.22x = 510,772,069.63
  5. Step 5: Solve for x
    x = 510,772,069.63/28,568.22
  6. Step 6: Final answer
    x = 17,879.03

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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.