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Finding the Fourth Proportional to 28,002.69, 42,004.03 and 9,534.69

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Solution

The fourth proportional to 28,002.69, 42,004.03 and 9,534.69 is: 14,302.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002.69 : 42,004.03 = 9,534.69 : x
  2. Step 2: Convert to fraction form
    28,002.69/42,004.03 = 9,534.69/x
  3. Step 3: Cross multiply
    28,002.69x = 42,004.03 × 9,534.69
  4. Step 4: Simplify right side
    28,002.69x = 400,495,404.80
  5. Step 5: Solve for x
    x = 400,495,404.80/28,002.69
  6. Step 6: Final answer
    x = 14,302.03

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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.