Home / 28,526.23-42,789.30-7,749.73

Finding the Fourth Proportional to 28,526.23, 42,789.30 and 7,749.73

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Solution

The fourth proportional to 28,526.23, 42,789.30 and 7,749.73 is: 11,624.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.23 : 42,789.30 = 7,749.73 : x
  2. Step 2: Convert to fraction form
    28,526.23/42,789.30 = 7,749.73/x
  3. Step 3: Cross multiply
    28,526.23x = 42,789.30 × 7,749.73
  4. Step 4: Simplify right side
    28,526.23x = 331,605,521.89
  5. Step 5: Solve for x
    x = 331,605,521.89/28,526.23
  6. Step 6: Final answer
    x = 11,624.58

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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.