Home / 26,326.96-39,455.40-12,979.58

Finding the Fourth Proportional to 26,326.96, 39,455.40 and 12,979.58

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Solution

The fourth proportional to 26,326.96, 39,455.40 and 12,979.58 is: 19,452.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,326.96 : 39,455.40 = 12,979.58 : x
  2. Step 2: Convert to fraction form
    26,326.96/39,455.40 = 12,979.58/x
  3. Step 3: Cross multiply
    26,326.96x = 39,455.40 × 12,979.58
  4. Step 4: Simplify right side
    26,326.96x = 512,114,372.13
  5. Step 5: Solve for x
    x = 512,114,372.13/26,326.96
  6. Step 6: Final answer
    x = 19,452.09

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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.