Home / 28,289.99-39,041.24-16,961.33

Finding the Fourth Proportional to 28,289.99, 39,041.24 and 16,961.33

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Solution

The fourth proportional to 28,289.99, 39,041.24 and 16,961.33 is: 23,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.99 : 39,041.24 = 16,961.33 : x
  2. Step 2: Convert to fraction form
    28,289.99/39,041.24 = 16,961.33/x
  3. Step 3: Cross multiply
    28,289.99x = 39,041.24 × 16,961.33
  4. Step 4: Simplify right side
    28,289.99x = 662,191,075.24
  5. Step 5: Solve for x
    x = 662,191,075.24/28,289.99
  6. Step 6: Final answer
    x = 23,407.26

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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.