Home / 25,289.45-34,899.45-14,111.45

Finding the Fourth Proportional to 25,289.45, 34,899.45 and 14,111.45

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Solution

The fourth proportional to 25,289.45, 34,899.45 and 14,111.45 is: 19,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,289.45 : 34,899.45 = 14,111.45 : x
  2. Step 2: Convert to fraction form
    25,289.45/34,899.45 = 14,111.45/x
  3. Step 3: Cross multiply
    25,289.45x = 34,899.45 × 14,111.45
  4. Step 4: Simplify right side
    25,289.45x = 492,481,843.70
  5. Step 5: Solve for x
    x = 492,481,843.70/25,289.45
  6. Step 6: Final answer
    x = 19,473.81

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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.