Home / 19,782.24-27,298.96-10,829.72

Finding the Fourth Proportional to 19,782.24, 27,298.96 and 10,829.72

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Solution

The fourth proportional to 19,782.24, 27,298.96 and 10,829.72 is: 14,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.24 : 27,298.96 = 10,829.72 : x
  2. Step 2: Convert to fraction form
    19,782.24/27,298.96 = 10,829.72/x
  3. Step 3: Cross multiply
    19,782.24x = 27,298.96 × 10,829.72
  4. Step 4: Simplify right side
    19,782.24x = 295,640,093.09
  5. Step 5: Solve for x
    x = 295,640,093.09/19,782.24
  6. Step 6: Final answer
    x = 14,944.72

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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.