Home / 28,897.88-39,879.09-16,322.63

Finding the Fourth Proportional to 28,897.88, 39,879.09 and 16,322.63

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Solution

The fourth proportional to 28,897.88, 39,879.09 and 16,322.63 is: 22,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.88 : 39,879.09 = 16,322.63 : x
  2. Step 2: Convert to fraction form
    28,897.88/39,879.09 = 16,322.63/x
  3. Step 3: Cross multiply
    28,897.88x = 39,879.09 × 16,322.63
  4. Step 4: Simplify right side
    28,897.88x = 650,931,431.41
  5. Step 5: Solve for x
    x = 650,931,431.41/28,897.88
  6. Step 6: Final answer
    x = 22,525.24

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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.