Home / 21,476.34-32,203.58-8,332.47

Finding the Fourth Proportional to 21,476.34, 32,203.58 and 8,332.47

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Solution

The fourth proportional to 21,476.34, 32,203.58 and 8,332.47 is: 12,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.34 : 32,203.58 = 8,332.47 : x
  2. Step 2: Convert to fraction form
    21,476.34/32,203.58 = 8,332.47/x
  3. Step 3: Cross multiply
    21,476.34x = 32,203.58 × 8,332.47
  4. Step 4: Simplify right side
    21,476.34x = 268,335,322.58
  5. Step 5: Solve for x
    x = 268,335,322.58/21,476.34
  6. Step 6: Final answer
    x = 12,494.46

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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.