Home / 18,767.92-28,032-16,986.26

Finding the Fourth Proportional to 18,767.92, 28,032 and 16,986.26

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Solution

The fourth proportional to 18,767.92, 28,032 and 16,986.26 is: 25,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.92 : 28,032 = 16,986.26 : x
  2. Step 2: Convert to fraction form
    18,767.92/28,032 = 16,986.26/x
  3. Step 3: Cross multiply
    18,767.92x = 28,032 × 16,986.26
  4. Step 4: Simplify right side
    18,767.92x = 476,158,840.32
  5. Step 5: Solve for x
    x = 476,158,840.32/18,767.92
  6. Step 6: Final answer
    x = 25,370.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.