Home / 28,262.48-42,401.40-9,795.92

Finding the Fourth Proportional to 28,262.48, 42,401.40 and 9,795.92

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Solution

The fourth proportional to 28,262.48, 42,401.40 and 9,795.92 is: 14,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.48 : 42,401.40 = 9,795.92 : x
  2. Step 2: Convert to fraction form
    28,262.48/42,401.40 = 9,795.92/x
  3. Step 3: Cross multiply
    28,262.48x = 42,401.40 × 9,795.92
  4. Step 4: Simplify right side
    28,262.48x = 415,360,722.29
  5. Step 5: Solve for x
    x = 415,360,722.29/28,262.48
  6. Step 6: Final answer
    x = 14,696.54

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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.