Home / 28,262.62-38,980.16-25,035.89

Finding the Fourth Proportional to 28,262.62, 38,980.16 and 25,035.89

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Solution

The fourth proportional to 28,262.62, 38,980.16 and 25,035.89 is: 34,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.62 : 38,980.16 = 25,035.89 : x
  2. Step 2: Convert to fraction form
    28,262.62/38,980.16 = 25,035.89/x
  3. Step 3: Cross multiply
    28,262.62x = 38,980.16 × 25,035.89
  4. Step 4: Simplify right side
    28,262.62x = 975,902,842.16
  5. Step 5: Solve for x
    x = 975,902,842.16/28,262.62
  6. Step 6: Final answer
    x = 34,529.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.