Home / 25,653.63-38,477.92-12,515.07

Finding the Fourth Proportional to 25,653.63, 38,477.92 and 12,515.07

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Solution

The fourth proportional to 25,653.63, 38,477.92 and 12,515.07 is: 18,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,653.63 : 38,477.92 = 12,515.07 : x
  2. Step 2: Convert to fraction form
    25,653.63/38,477.92 = 12,515.07/x
  3. Step 3: Cross multiply
    25,653.63x = 38,477.92 × 12,515.07
  4. Step 4: Simplify right side
    25,653.63x = 481,553,862.25
  5. Step 5: Solve for x
    x = 481,553,862.25/25,653.63
  6. Step 6: Final answer
    x = 18,771.37

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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.