Home / 19,004.79-26,228.82-15,812.44

Finding the Fourth Proportional to 19,004.79, 26,228.82 and 15,812.44

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Solution

The fourth proportional to 19,004.79, 26,228.82 and 15,812.44 is: 21,823.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.79 : 26,228.82 = 15,812.44 : x
  2. Step 2: Convert to fraction form
    19,004.79/26,228.82 = 15,812.44/x
  3. Step 3: Cross multiply
    19,004.79x = 26,228.82 × 15,812.44
  4. Step 4: Simplify right side
    19,004.79x = 414,741,642.52
  5. Step 5: Solve for x
    x = 414,741,642.52/19,004.79
  6. Step 6: Final answer
    x = 21,823.01

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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.