Home / 27,285.60-37,653.75-15,348.93

Finding the Fourth Proportional to 27,285.60, 37,653.75 and 15,348.93

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Solution

The fourth proportional to 27,285.60, 37,653.75 and 15,348.93 is: 21,181.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.60 : 37,653.75 = 15,348.93 : x
  2. Step 2: Convert to fraction form
    27,285.60/37,653.75 = 15,348.93/x
  3. Step 3: Cross multiply
    27,285.60x = 37,653.75 × 15,348.93
  4. Step 4: Simplify right side
    27,285.60x = 577,944,772.99
  5. Step 5: Solve for x
    x = 577,944,772.99/27,285.60
  6. Step 6: Final answer
    x = 21,181.31

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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.