Home / 28,426.05-39,216.96-16,487.19

Finding the Fourth Proportional to 28,426.05, 39,216.96 and 16,487.19

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Solution

The fourth proportional to 28,426.05, 39,216.96 and 16,487.19 is: 22,745.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426.05 : 39,216.96 = 16,487.19 : x
  2. Step 2: Convert to fraction form
    28,426.05/39,216.96 = 16,487.19/x
  3. Step 3: Cross multiply
    28,426.05x = 39,216.96 × 16,487.19
  4. Step 4: Simplify right side
    28,426.05x = 646,577,470.74
  5. Step 5: Solve for x
    x = 646,577,470.74/28,426.05
  6. Step 6: Final answer
    x = 22,745.95

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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.