Home / 21,595.92-32,374.72-8,445.32

Finding the Fourth Proportional to 21,595.92, 32,374.72 and 8,445.32

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Solution

The fourth proportional to 21,595.92, 32,374.72 and 8,445.32 is: 12,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.92 : 32,374.72 = 8,445.32 : x
  2. Step 2: Convert to fraction form
    21,595.92/32,374.72 = 8,445.32/x
  3. Step 3: Cross multiply
    21,595.92x = 32,374.72 × 8,445.32
  4. Step 4: Simplify right side
    21,595.92x = 273,414,870.31
  5. Step 5: Solve for x
    x = 273,414,870.31/21,595.92
  6. Step 6: Final answer
    x = 12,660.49

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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.