Home / 27,329.50-37,708.23-15,390.46

Finding the Fourth Proportional to 27,329.50, 37,708.23 and 15,390.46

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Solution

The fourth proportional to 27,329.50, 37,708.23 and 15,390.46 is: 21,235.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,329.50 : 37,708.23 = 15,390.46 : x
  2. Step 2: Convert to fraction form
    27,329.50/37,708.23 = 15,390.46/x
  3. Step 3: Cross multiply
    27,329.50x = 37,708.23 × 15,390.46
  4. Step 4: Simplify right side
    27,329.50x = 580,347,005.49
  5. Step 5: Solve for x
    x = 580,347,005.49/27,329.50
  6. Step 6: Final answer
    x = 21,235.19

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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.