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Finding the Fourth Proportional to 28,168.04, 42,252.03 and 11,308.64

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Solution

The fourth proportional to 28,168.04, 42,252.03 and 11,308.64 is: 16,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,168.04 : 42,252.03 = 11,308.64 : x
  2. Step 2: Convert to fraction form
    28,168.04/42,252.03 = 11,308.64/x
  3. Step 3: Cross multiply
    28,168.04x = 42,252.03 × 11,308.64
  4. Step 4: Simplify right side
    28,168.04x = 477,812,785.28
  5. Step 5: Solve for x
    x = 477,812,785.28/28,168.04
  6. Step 6: Final answer
    x = 16,962.94

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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.