Home / 27,846.99-38,415.26-15,907.19

Finding the Fourth Proportional to 27,846.99, 38,415.26 and 15,907.19

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Solution

The fourth proportional to 27,846.99, 38,415.26 and 15,907.19 is: 21,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,846.99 : 38,415.26 = 15,907.19 : x
  2. Step 2: Convert to fraction form
    27,846.99/38,415.26 = 15,907.19/x
  3. Step 3: Cross multiply
    27,846.99x = 38,415.26 × 15,907.19
  4. Step 4: Simplify right side
    27,846.99x = 611,078,687.41
  5. Step 5: Solve for x
    x = 611,078,687.41/27,846.99
  6. Step 6: Final answer
    x = 21,944.16

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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.