Home / 27,111.65-37,406.99-15,623.75

Finding the Fourth Proportional to 27,111.65, 37,406.99 and 15,623.75

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Solution

The fourth proportional to 27,111.65, 37,406.99 and 15,623.75 is: 21,556.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,111.65 : 37,406.99 = 15,623.75 : x
  2. Step 2: Convert to fraction form
    27,111.65/37,406.99 = 15,623.75/x
  3. Step 3: Cross multiply
    27,111.65x = 37,406.99 × 15,623.75
  4. Step 4: Simplify right side
    27,111.65x = 584,437,475.41
  5. Step 5: Solve for x
    x = 584,437,475.41/27,111.65
  6. Step 6: Final answer
    x = 21,556.69

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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.