Home / 25,349.90-38,021.88-7,818.22

Finding the Fourth Proportional to 25,349.90, 38,021.88 and 7,818.22

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Solution

The fourth proportional to 25,349.90, 38,021.88 and 7,818.22 is: 11,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,349.90 : 38,021.88 = 7,818.22 : x
  2. Step 2: Convert to fraction form
    25,349.90/38,021.88 = 7,818.22/x
  3. Step 3: Cross multiply
    25,349.90x = 38,021.88 × 7,818.22
  4. Step 4: Simplify right side
    25,349.90x = 297,263,422.65
  5. Step 5: Solve for x
    x = 297,263,422.65/25,349.90
  6. Step 6: Final answer
    x = 11,726.41

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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.