Home / 25,518.30-38,277.54-7,749.11

Finding the Fourth Proportional to 25,518.30, 38,277.54 and 7,749.11

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Solution

The fourth proportional to 25,518.30, 38,277.54 and 7,749.11 is: 11,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.30 : 38,277.54 = 7,749.11 : x
  2. Step 2: Convert to fraction form
    25,518.30/38,277.54 = 7,749.11/x
  3. Step 3: Cross multiply
    25,518.30x = 38,277.54 × 7,749.11
  4. Step 4: Simplify right side
    25,518.30x = 296,616,676.60
  5. Step 5: Solve for x
    x = 296,616,676.60/25,518.30
  6. Step 6: Final answer
    x = 11,623.68

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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.