Home / 27,047.46-37,321.80-15,109.32

Finding the Fourth Proportional to 27,047.46, 37,321.80 and 15,109.32

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Solution

The fourth proportional to 27,047.46, 37,321.80 and 15,109.32 is: 20,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,047.46 : 37,321.80 = 15,109.32 : x
  2. Step 2: Convert to fraction form
    27,047.46/37,321.80 = 15,109.32/x
  3. Step 3: Cross multiply
    27,047.46x = 37,321.80 × 15,109.32
  4. Step 4: Simplify right side
    27,047.46x = 563,907,019.18
  5. Step 5: Solve for x
    x = 563,907,019.18/27,047.46
  6. Step 6: Final answer
    x = 20,848.80

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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.