Home / 84,839.24-127,206.54-28,674.04

Finding the Fourth Proportional to 84,839.24, 127,206.54 and 28,674.04

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Solution

The fourth proportional to 84,839.24, 127,206.54 and 28,674.04 is: 42,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,839.24 : 127,206.54 = 28,674.04 : x
  2. Step 2: Convert to fraction form
    84,839.24/127,206.54 = 28,674.04/x
  3. Step 3: Cross multiply
    84,839.24x = 127,206.54 × 28,674.04
  4. Step 4: Simplify right side
    84,839.24x = 3,647,525,416.22
  5. Step 5: Solve for x
    x = 3,647,525,416.22/84,839.24
  6. Step 6: Final answer
    x = 42,993.38

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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.