Home / 27,485.54-37,930.06-15,548.62

Finding the Fourth Proportional to 27,485.54, 37,930.06 and 15,548.62

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Solution

The fourth proportional to 27,485.54, 37,930.06 and 15,548.62 is: 21,457.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.54 : 37,930.06 = 15,548.62 : x
  2. Step 2: Convert to fraction form
    27,485.54/37,930.06 = 15,548.62/x
  3. Step 3: Cross multiply
    27,485.54x = 37,930.06 × 15,548.62
  4. Step 4: Simplify right side
    27,485.54x = 589,760,089.52
  5. Step 5: Solve for x
    x = 589,760,089.52/27,485.54
  6. Step 6: Final answer
    x = 21,457.10

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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.