Home / 25,021.64-34,529.73-13,690.94

Finding the Fourth Proportional to 25,021.64, 34,529.73 and 13,690.94

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Solution

The fourth proportional to 25,021.64, 34,529.73 and 13,690.94 is: 18,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,021.64 : 34,529.73 = 13,690.94 : x
  2. Step 2: Convert to fraction form
    25,021.64/34,529.73 = 13,690.94/x
  3. Step 3: Cross multiply
    25,021.64x = 34,529.73 × 13,690.94
  4. Step 4: Simplify right side
    25,021.64x = 472,744,461.65
  5. Step 5: Solve for x
    x = 472,744,461.65/25,021.64
  6. Step 6: Final answer
    x = 18,893.42

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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.