Home / 26,109.64-39,179.50-11,320.05

Finding the Fourth Proportional to 26,109.64, 39,179.50 and 11,320.05

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Solution

The fourth proportional to 26,109.64, 39,179.50 and 11,320.05 is: 16,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.64 : 39,179.50 = 11,320.05 : x
  2. Step 2: Convert to fraction form
    26,109.64/39,179.50 = 11,320.05/x
  3. Step 3: Cross multiply
    26,109.64x = 39,179.50 × 11,320.05
  4. Step 4: Simplify right side
    26,109.64x = 443,514,017.60
  5. Step 5: Solve for x
    x = 443,514,017.60/26,109.64
  6. Step 6: Final answer
    x = 16,986.60

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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.