Home / 28,998.83-40,021.71-16,255.46

Finding the Fourth Proportional to 28,998.83, 40,021.71 and 16,255.46

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Solution

The fourth proportional to 28,998.83, 40,021.71 and 16,255.46 is: 22,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.83 : 40,021.71 = 16,255.46 : x
  2. Step 2: Convert to fraction form
    28,998.83/40,021.71 = 16,255.46/x
  3. Step 3: Cross multiply
    28,998.83x = 40,021.71 × 16,255.46
  4. Step 4: Simplify right side
    28,998.83x = 650,571,105.93
  5. Step 5: Solve for x
    x = 650,571,105.93/28,998.83
  6. Step 6: Final answer
    x = 22,434.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.