Home / 28,161.17-42,204.39-23,490.33

Finding the Fourth Proportional to 28,161.17, 42,204.39 and 23,490.33

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Solution

The fourth proportional to 28,161.17, 42,204.39 and 23,490.33 is: 35,204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161.17 : 42,204.39 = 23,490.33 : x
  2. Step 2: Convert to fraction form
    28,161.17/42,204.39 = 23,490.33/x
  3. Step 3: Cross multiply
    28,161.17x = 42,204.39 × 23,490.33
  4. Step 4: Simplify right side
    28,161.17x = 991,395,048.55
  5. Step 5: Solve for x
    x = 991,395,048.55/28,161.17
  6. Step 6: Final answer
    x = 35,204.33

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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.