Home / 25,969.64-38,925.12-12,794.36

Finding the Fourth Proportional to 25,969.64, 38,925.12 and 12,794.36

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Solution

The fourth proportional to 25,969.64, 38,925.12 and 12,794.36 is: 19,177.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,969.64 : 38,925.12 = 12,794.36 : x
  2. Step 2: Convert to fraction form
    25,969.64/38,925.12 = 12,794.36/x
  3. Step 3: Cross multiply
    25,969.64x = 38,925.12 × 12,794.36
  4. Step 4: Simplify right side
    25,969.64x = 498,021,998.32
  5. Step 5: Solve for x
    x = 498,021,998.32/25,969.64
  6. Step 6: Final answer
    x = 19,177.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.