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Finding the Fourth Proportional to 24,395.99, 33,655.20 and 14,321.21

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Solution

The fourth proportional to 24,395.99, 33,655.20 and 14,321.21 is: 19,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,395.99 : 33,655.20 = 14,321.21 : x
  2. Step 2: Convert to fraction form
    24,395.99/33,655.20 = 14,321.21/x
  3. Step 3: Cross multiply
    24,395.99x = 33,655.20 × 14,321.21
  4. Step 4: Simplify right side
    24,395.99x = 481,982,964.81
  5. Step 5: Solve for x
    x = 481,982,964.81/24,395.99
  6. Step 6: Final answer
    x = 19,756.65

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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.