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Finding the Fourth Proportional to 21,344.00, 32,015.88 and 8,863.71

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Solution

The fourth proportional to 21,344.00, 32,015.88 and 8,863.71 is: 13,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344.00 : 32,015.88 = 8,863.71 : x
  2. Step 2: Convert to fraction form
    21,344.00/32,015.88 = 8,863.71/x
  3. Step 3: Cross multiply
    21,344.00x = 32,015.88 × 8,863.71
  4. Step 4: Simplify right side
    21,344.00x = 283,779,475.71
  5. Step 5: Solve for x
    x = 283,779,475.71/21,344.00
  6. Step 6: Final answer
    x = 13,295.52

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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.