Home / 25,628.80-38,429.74-11,576.72

Finding the Fourth Proportional to 25,628.80, 38,429.74 and 11,576.72

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Solution

The fourth proportional to 25,628.80, 38,429.74 and 11,576.72 is: 17,359.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.80 : 38,429.74 = 11,576.72 : x
  2. Step 2: Convert to fraction form
    25,628.80/38,429.74 = 11,576.72/x
  3. Step 3: Cross multiply
    25,628.80x = 38,429.74 × 11,576.72
  4. Step 4: Simplify right side
    25,628.80x = 444,890,339.65
  5. Step 5: Solve for x
    x = 444,890,339.65/25,628.80
  6. Step 6: Final answer
    x = 17,359.00

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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.