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Finding the Fourth Proportional to 32,210.86, 44,445.86 and 20,895.87

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Solution

The fourth proportional to 32,210.86, 44,445.86 and 20,895.87 is: 28,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,210.86 : 44,445.86 = 20,895.87 : x
  2. Step 2: Convert to fraction form
    32,210.86/44,445.86 = 20,895.87/x
  3. Step 3: Cross multiply
    32,210.86x = 44,445.86 × 20,895.87
  4. Step 4: Simplify right side
    32,210.86x = 928,734,912.60
  5. Step 5: Solve for x
    x = 928,734,912.60/32,210.86
  6. Step 6: Final answer
    x = 28,832.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.