Home / 28,054.60-38,729.39-17,447.65

Finding the Fourth Proportional to 28,054.60, 38,729.39 and 17,447.65

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Solution

The fourth proportional to 28,054.60, 38,729.39 and 17,447.65 is: 24,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.60 : 38,729.39 = 17,447.65 : x
  2. Step 2: Convert to fraction form
    28,054.60/38,729.39 = 17,447.65/x
  3. Step 3: Cross multiply
    28,054.60x = 38,729.39 × 17,447.65
  4. Step 4: Simplify right side
    28,054.60x = 675,736,657.37
  5. Step 5: Solve for x
    x = 675,736,657.37/28,054.60
  6. Step 6: Final answer
    x = 24,086.49

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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.