Home / 27,629.04-38,140.88-16,294.72

Finding the Fourth Proportional to 27,629.04, 38,140.88 and 16,294.72

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Solution

The fourth proportional to 27,629.04, 38,140.88 and 16,294.72 is: 22,494.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.04 : 38,140.88 = 16,294.72 : x
  2. Step 2: Convert to fraction form
    27,629.04/38,140.88 = 16,294.72/x
  3. Step 3: Cross multiply
    27,629.04x = 38,140.88 × 16,294.72
  4. Step 4: Simplify right side
    27,629.04x = 621,494,960.15
  5. Step 5: Solve for x
    x = 621,494,960.15/27,629.04
  6. Step 6: Final answer
    x = 22,494.27

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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.