Home / 27,497.61-37,940.40-15,558.35

Finding the Fourth Proportional to 27,497.61, 37,940.40 and 15,558.35

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Solution

The fourth proportional to 27,497.61, 37,940.40 and 15,558.35 is: 21,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,497.61 : 37,940.40 = 15,558.35 : x
  2. Step 2: Convert to fraction form
    27,497.61/37,940.40 = 15,558.35/x
  3. Step 3: Cross multiply
    27,497.61x = 37,940.40 × 15,558.35
  4. Step 4: Simplify right side
    27,497.61x = 590,289,832.64
  5. Step 5: Solve for x
    x = 590,289,832.64/27,497.61
  6. Step 6: Final answer
    x = 21,466.95

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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.