Home / 21,635.04-32,439.42-8,471.64

Finding the Fourth Proportional to 21,635.04, 32,439.42 and 8,471.64

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Solution

The fourth proportional to 21,635.04, 32,439.42 and 8,471.64 is: 12,702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,635.04 : 32,439.42 = 8,471.64 : x
  2. Step 2: Convert to fraction form
    21,635.04/32,439.42 = 8,471.64/x
  3. Step 3: Cross multiply
    21,635.04x = 32,439.42 × 8,471.64
  4. Step 4: Simplify right side
    21,635.04x = 274,815,088.05
  5. Step 5: Solve for x
    x = 274,815,088.05/21,635.04
  6. Step 6: Final answer
    x = 12,702.31

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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.