Home / 28,168.88-38,876.73-16,232.72

Finding the Fourth Proportional to 28,168.88, 38,876.73 and 16,232.72

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Solution

The fourth proportional to 28,168.88, 38,876.73 and 16,232.72 is: 22,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,168.88 : 38,876.73 = 16,232.72 : x
  2. Step 2: Convert to fraction form
    28,168.88/38,876.73 = 16,232.72/x
  3. Step 3: Cross multiply
    28,168.88x = 38,876.73 × 16,232.72
  4. Step 4: Simplify right side
    28,168.88x = 631,075,072.61
  5. Step 5: Solve for x
    x = 631,075,072.61/28,168.88
  6. Step 6: Final answer
    x = 22,403.27

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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.