Home / 28,995.45-43,500.09-10,277.12

Finding the Fourth Proportional to 28,995.45, 43,500.09 and 10,277.12

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Solution

The fourth proportional to 28,995.45, 43,500.09 and 10,277.12 is: 15,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.45 : 43,500.09 = 10,277.12 : x
  2. Step 2: Convert to fraction form
    28,995.45/43,500.09 = 10,277.12/x
  3. Step 3: Cross multiply
    28,995.45x = 43,500.09 × 10,277.12
  4. Step 4: Simplify right side
    28,995.45x = 447,055,401.75
  5. Step 5: Solve for x
    x = 447,055,401.75/28,995.45
  6. Step 6: Final answer
    x = 15,418.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.