Home / 28,897.98-39,879.99-16,322.46

Finding the Fourth Proportional to 28,897.98, 39,879.99 and 16,322.46

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Solution

The fourth proportional to 28,897.98, 39,879.99 and 16,322.46 is: 22,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.98 : 39,879.99 = 16,322.46 : x
  2. Step 2: Convert to fraction form
    28,897.98/39,879.99 = 16,322.46/x
  3. Step 3: Cross multiply
    28,897.98x = 39,879.99 × 16,322.46
  4. Step 4: Simplify right side
    28,897.98x = 650,939,541.58
  5. Step 5: Solve for x
    x = 650,939,541.58/28,897.98
  6. Step 6: Final answer
    x = 22,525.43

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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.