Home / 28,004.24-38,664.84-19,606.16

Finding the Fourth Proportional to 28,004.24, 38,664.84 and 19,606.16

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Solution

The fourth proportional to 28,004.24, 38,664.84 and 19,606.16 is: 27,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.24 : 38,664.84 = 19,606.16 : x
  2. Step 2: Convert to fraction form
    28,004.24/38,664.84 = 19,606.16/x
  3. Step 3: Cross multiply
    28,004.24x = 38,664.84 × 19,606.16
  4. Step 4: Simplify right side
    28,004.24x = 758,069,039.41
  5. Step 5: Solve for x
    x = 758,069,039.41/28,004.24
  6. Step 6: Final answer
    x = 27,069.80

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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.