Home / 27,285.73-37,653.93-15,349.05

Finding the Fourth Proportional to 27,285.73, 37,653.93 and 15,349.05

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Solution

The fourth proportional to 27,285.73, 37,653.93 and 15,349.05 is: 21,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.73 : 37,653.93 = 15,349.05 : x
  2. Step 2: Convert to fraction form
    27,285.73/37,653.93 = 15,349.05/x
  3. Step 3: Cross multiply
    27,285.73x = 37,653.93 × 15,349.05
  4. Step 4: Simplify right side
    27,285.73x = 577,952,054.27
  5. Step 5: Solve for x
    x = 577,952,054.27/27,285.73
  6. Step 6: Final answer
    x = 21,181.48

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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.