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Finding the Fourth Proportional to 21,552.64, 32,304.99 and 9,068.98

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Solution

The fourth proportional to 21,552.64, 32,304.99 and 9,068.98 is: 13,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552.64 : 32,304.99 = 9,068.98 : x
  2. Step 2: Convert to fraction form
    21,552.64/32,304.99 = 9,068.98/x
  3. Step 3: Cross multiply
    21,552.64x = 32,304.99 × 9,068.98
  4. Step 4: Simplify right side
    21,552.64x = 292,973,308.21
  5. Step 5: Solve for x
    x = 292,973,308.21/21,552.64
  6. Step 6: Final answer
    x = 13,593.38

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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.