Home / 25,749.08-38,627.80-7,975.59

Finding the Fourth Proportional to 25,749.08, 38,627.80 and 7,975.59

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Solution

The fourth proportional to 25,749.08, 38,627.80 and 7,975.59 is: 11,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,749.08 : 38,627.80 = 7,975.59 : x
  2. Step 2: Convert to fraction form
    25,749.08/38,627.80 = 7,975.59/x
  3. Step 3: Cross multiply
    25,749.08x = 38,627.80 × 7,975.59
  4. Step 4: Simplify right side
    25,749.08x = 308,079,495.40
  5. Step 5: Solve for x
    x = 308,079,495.40/25,749.08
  6. Step 6: Final answer
    x = 11,964.68

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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.