Home / 28,326.47-39,087.47-16,387.58

Finding the Fourth Proportional to 28,326.47, 39,087.47 and 16,387.58

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Solution

The fourth proportional to 28,326.47, 39,087.47 and 16,387.58 is: 22,613.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326.47 : 39,087.47 = 16,387.58 : x
  2. Step 2: Convert to fraction form
    28,326.47/39,087.47 = 16,387.58/x
  3. Step 3: Cross multiply
    28,326.47x = 39,087.47 × 16,387.58
  4. Step 4: Simplify right side
    28,326.47x = 640,548,861.97
  5. Step 5: Solve for x
    x = 640,548,861.97/28,326.47
  6. Step 6: Final answer
    x = 22,613.08

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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.