Home / 38,267.68-52,813.92-21,500.64

Finding the Fourth Proportional to 38,267.68, 52,813.92 and 21,500.64

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Solution

The fourth proportional to 38,267.68, 52,813.92 and 21,500.64 is: 29,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,267.68 : 52,813.92 = 21,500.64 : x
  2. Step 2: Convert to fraction form
    38,267.68/52,813.92 = 21,500.64/x
  3. Step 3: Cross multiply
    38,267.68x = 52,813.92 × 21,500.64
  4. Step 4: Simplify right side
    38,267.68x = 1,135,533,080.91
  5. Step 5: Solve for x
    x = 1,135,533,080.91/38,267.68
  6. Step 6: Final answer
    x = 29,673.42

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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.