Home / 28,073.24-42,135.36-14,936.60

Finding the Fourth Proportional to 28,073.24, 42,135.36 and 14,936.60

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Solution

The fourth proportional to 28,073.24, 42,135.36 and 14,936.60 is: 22,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073.24 : 42,135.36 = 14,936.60 : x
  2. Step 2: Convert to fraction form
    28,073.24/42,135.36 = 14,936.60/x
  3. Step 3: Cross multiply
    28,073.24x = 42,135.36 × 14,936.60
  4. Step 4: Simplify right side
    28,073.24x = 629,359,018.18
  5. Step 5: Solve for x
    x = 629,359,018.18/28,073.24
  6. Step 6: Final answer
    x = 22,418.47

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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.