Home / 28,418.77-39,214.69-16,477.75

Finding the Fourth Proportional to 28,418.77, 39,214.69 and 16,477.75

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Solution

The fourth proportional to 28,418.77, 39,214.69 and 16,477.75 is: 22,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,418.77 : 39,214.69 = 16,477.75 : x
  2. Step 2: Convert to fraction form
    28,418.77/39,214.69 = 16,477.75/x
  3. Step 3: Cross multiply
    28,418.77x = 39,214.69 × 16,477.75
  4. Step 4: Simplify right side
    28,418.77x = 646,169,858.15
  5. Step 5: Solve for x
    x = 646,169,858.15/28,418.77
  6. Step 6: Final answer
    x = 22,737.43

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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.