Home / 19,782.12-27,298.92-10,829.40

Finding the Fourth Proportional to 19,782.12, 27,298.92 and 10,829.40

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Solution

The fourth proportional to 19,782.12, 27,298.92 and 10,829.40 is: 14,944.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.12 : 27,298.92 = 10,829.40 : x
  2. Step 2: Convert to fraction form
    19,782.12/27,298.92 = 10,829.40/x
  3. Step 3: Cross multiply
    19,782.12x = 27,298.92 × 10,829.40
  4. Step 4: Simplify right side
    19,782.12x = 295,630,924.25
  5. Step 5: Solve for x
    x = 295,630,924.25/19,782.12
  6. Step 6: Final answer
    x = 14,944.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.