Home / 28,925.46-39,909.83-16,986.47

Finding the Fourth Proportional to 28,925.46, 39,909.83 and 16,986.47

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Solution

The fourth proportional to 28,925.46, 39,909.83 and 16,986.47 is: 23,437.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.46 : 39,909.83 = 16,986.47 : x
  2. Step 2: Convert to fraction form
    28,925.46/39,909.83 = 16,986.47/x
  3. Step 3: Cross multiply
    28,925.46x = 39,909.83 × 16,986.47
  4. Step 4: Simplify right side
    28,925.46x = 677,926,845.52
  5. Step 5: Solve for x
    x = 677,926,845.52/28,925.46
  6. Step 6: Final answer
    x = 23,437.03

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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.