Home / 28,707.52-43,035.30-10,235.20

Finding the Fourth Proportional to 28,707.52, 43,035.30 and 10,235.20

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Solution

The fourth proportional to 28,707.52, 43,035.30 and 10,235.20 is: 15,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.52 : 43,035.30 = 10,235.20 : x
  2. Step 2: Convert to fraction form
    28,707.52/43,035.30 = 10,235.20/x
  3. Step 3: Cross multiply
    28,707.52x = 43,035.30 × 10,235.20
  4. Step 4: Simplify right side
    28,707.52x = 440,474,902.56
  5. Step 5: Solve for x
    x = 440,474,902.56/28,707.52
  6. Step 6: Final answer
    x = 15,343.54

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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.