Home / 21,744.20-32,628.60-9,262.92

Finding the Fourth Proportional to 21,744.20, 32,628.60 and 9,262.92

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Solution

The fourth proportional to 21,744.20, 32,628.60 and 9,262.92 is: 13,899.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744.20 : 32,628.60 = 9,262.92 : x
  2. Step 2: Convert to fraction form
    21,744.20/32,628.60 = 9,262.92/x
  3. Step 3: Cross multiply
    21,744.20x = 32,628.60 × 9,262.92
  4. Step 4: Simplify right side
    21,744.20x = 302,236,111.51
  5. Step 5: Solve for x
    x = 302,236,111.51/21,744.20
  6. Step 6: Final answer
    x = 13,899.62

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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.