Home / 25,288.49-34,898.70-13,958.16

Finding the Fourth Proportional to 25,288.49, 34,898.70 and 13,958.16

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Solution

The fourth proportional to 25,288.49, 34,898.70 and 13,958.16 is: 19,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.49 : 34,898.70 = 13,958.16 : x
  2. Step 2: Convert to fraction form
    25,288.49/34,898.70 = 13,958.16/x
  3. Step 3: Cross multiply
    25,288.49x = 34,898.70 × 13,958.16
  4. Step 4: Simplify right side
    25,288.49x = 487,121,481.35
  5. Step 5: Solve for x
    x = 487,121,481.35/25,288.49
  6. Step 6: Final answer
    x = 19,262.58

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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.