Home / 28,687.88-39,592.98-16,112.63

Finding the Fourth Proportional to 28,687.88, 39,592.98 and 16,112.63

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Solution

The fourth proportional to 28,687.88, 39,592.98 and 16,112.63 is: 22,237.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,687.88 : 39,592.98 = 16,112.63 : x
  2. Step 2: Convert to fraction form
    28,687.88/39,592.98 = 16,112.63/x
  3. Step 3: Cross multiply
    28,687.88x = 39,592.98 × 16,112.63
  4. Step 4: Simplify right side
    28,687.88x = 637,946,839.37
  5. Step 5: Solve for x
    x = 637,946,839.37/28,687.88
  6. Step 6: Final answer
    x = 22,237.51

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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.