Home / 25,986.99-38,964.93-12,633.71

Finding the Fourth Proportional to 25,986.99, 38,964.93 and 12,633.71

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Solution

The fourth proportional to 25,986.99, 38,964.93 and 12,633.71 is: 18,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986.99 : 38,964.93 = 12,633.71 : x
  2. Step 2: Convert to fraction form
    25,986.99/38,964.93 = 12,633.71/x
  3. Step 3: Cross multiply
    25,986.99x = 38,964.93 × 12,633.71
  4. Step 4: Simplify right side
    25,986.99x = 492,271,430.97
  5. Step 5: Solve for x
    x = 492,271,430.97/25,986.99
  6. Step 6: Final answer
    x = 18,943.00

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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.