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Finding the Fourth Proportional to 28,996.92, 43,484.71 and 10,016.72

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Solution

The fourth proportional to 28,996.92, 43,484.71 and 10,016.72 is: 15,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.92 : 43,484.71 = 10,016.72 : x
  2. Step 2: Convert to fraction form
    28,996.92/43,484.71 = 10,016.72/x
  3. Step 3: Cross multiply
    28,996.92x = 43,484.71 × 10,016.72
  4. Step 4: Simplify right side
    28,996.92x = 435,574,197.86
  5. Step 5: Solve for x
    x = 435,574,197.86/28,996.92
  6. Step 6: Final answer
    x = 15,021.40

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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.