Home / 28,054.97-38,729.89-17,448.02

Finding the Fourth Proportional to 28,054.97, 38,729.89 and 17,448.02

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Solution

The fourth proportional to 28,054.97, 38,729.89 and 17,448.02 is: 24,086.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.97 : 38,729.89 = 17,448.02 : x
  2. Step 2: Convert to fraction form
    28,054.97/38,729.89 = 17,448.02/x
  3. Step 3: Cross multiply
    28,054.97x = 38,729.89 × 17,448.02
  4. Step 4: Simplify right side
    28,054.97x = 675,759,895.32
  5. Step 5: Solve for x
    x = 675,759,895.32/28,054.97
  6. Step 6: Final answer
    x = 24,086.99

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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.