Home / 28,960.74-43,499.43-28,144.26

Finding the Fourth Proportional to 28,960.74, 43,499.43 and 28,144.26

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Solution

The fourth proportional to 28,960.74, 43,499.43 and 28,144.26 is: 42,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960.74 : 43,499.43 = 28,144.26 : x
  2. Step 2: Convert to fraction form
    28,960.74/43,499.43 = 28,144.26/x
  3. Step 3: Cross multiply
    28,960.74x = 43,499.43 × 28,144.26
  4. Step 4: Simplify right side
    28,960.74x = 1,224,259,267.77
  5. Step 5: Solve for x
    x = 1,224,259,267.77/28,960.74
  6. Step 6: Final answer
    x = 42,273.07

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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.