Home / 28,901.88-39,884.60-16,326.64

Finding the Fourth Proportional to 28,901.88, 39,884.60 and 16,326.64

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Solution

The fourth proportional to 28,901.88, 39,884.60 and 16,326.64 is: 22,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.88 : 39,884.60 = 16,326.64 : x
  2. Step 2: Convert to fraction form
    28,901.88/39,884.60 = 16,326.64/x
  3. Step 3: Cross multiply
    28,901.88x = 39,884.60 × 16,326.64
  4. Step 4: Simplify right side
    28,901.88x = 651,181,505.74
  5. Step 5: Solve for x
    x = 651,181,505.74/28,901.88
  6. Step 6: Final answer
    x = 22,530.77

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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.