Home / 32,078.96-44,247-20,916.08

Finding the Fourth Proportional to 32,078.96, 44,247 and 20,916.08

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Solution

The fourth proportional to 32,078.96, 44,247 and 20,916.08 is: 28,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,078.96 : 44,247 = 20,916.08 : x
  2. Step 2: Convert to fraction form
    32,078.96/44,247 = 20,916.08/x
  3. Step 3: Cross multiply
    32,078.96x = 44,247 × 20,916.08
  4. Step 4: Simplify right side
    32,078.96x = 925,473,791.76
  5. Step 5: Solve for x
    x = 925,473,791.76/32,078.96
  6. Step 6: Final answer
    x = 28,849.87

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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.