Home / 21,626.64-32,422.68-9,323.28

Finding the Fourth Proportional to 21,626.64, 32,422.68 and 9,323.28

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Solution

The fourth proportional to 21,626.64, 32,422.68 and 9,323.28 is: 13,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.64 : 32,422.68 = 9,323.28 : x
  2. Step 2: Convert to fraction form
    21,626.64/32,422.68 = 9,323.28/x
  3. Step 3: Cross multiply
    21,626.64x = 32,422.68 × 9,323.28
  4. Step 4: Simplify right side
    21,626.64x = 302,285,723.99
  5. Step 5: Solve for x
    x = 302,285,723.99/21,626.64
  6. Step 6: Final answer
    x = 13,977.47

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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.