Home / 28,393.39-39,174.99-18,322.27

Finding the Fourth Proportional to 28,393.39, 39,174.99 and 18,322.27

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Solution

The fourth proportional to 28,393.39, 39,174.99 and 18,322.27 is: 25,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393.39 : 39,174.99 = 18,322.27 : x
  2. Step 2: Convert to fraction form
    28,393.39/39,174.99 = 18,322.27/x
  3. Step 3: Cross multiply
    28,393.39x = 39,174.99 × 18,322.27
  4. Step 4: Simplify right side
    28,393.39x = 717,774,744.03
  5. Step 5: Solve for x
    x = 717,774,744.03/28,393.39
  6. Step 6: Final answer
    x = 25,279.64

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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.