Home / 28,554.97-39,400.39-18,482.01

Finding the Fourth Proportional to 28,554.97, 39,400.39 and 18,482.01

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Solution

The fourth proportional to 28,554.97, 39,400.39 and 18,482.01 is: 25,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554.97 : 39,400.39 = 18,482.01 : x
  2. Step 2: Convert to fraction form
    28,554.97/39,400.39 = 18,482.01/x
  3. Step 3: Cross multiply
    28,554.97x = 39,400.39 × 18,482.01
  4. Step 4: Simplify right side
    28,554.97x = 728,198,401.98
  5. Step 5: Solve for x
    x = 728,198,401.98/28,554.97
  6. Step 6: Final answer
    x = 25,501.63

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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.