Home / 25,323.30-34,945.26-13,992.60

Finding the Fourth Proportional to 25,323.30, 34,945.26 and 13,992.60

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Solution

The fourth proportional to 25,323.30, 34,945.26 and 13,992.60 is: 19,309.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,323.30 : 34,945.26 = 13,992.60 : x
  2. Step 2: Convert to fraction form
    25,323.30/34,945.26 = 13,992.60/x
  3. Step 3: Cross multiply
    25,323.30x = 34,945.26 × 13,992.60
  4. Step 4: Simplify right side
    25,323.30x = 488,975,045.08
  5. Step 5: Solve for x
    x = 488,975,045.08/25,323.30
  6. Step 6: Final answer
    x = 19,309.29

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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.