Home / 26,161.02-39,221.77-13,497.21

Finding the Fourth Proportional to 26,161.02, 39,221.77 and 13,497.21

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Solution

The fourth proportional to 26,161.02, 39,221.77 and 13,497.21 is: 20,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,161.02 : 39,221.77 = 13,497.21 : x
  2. Step 2: Convert to fraction form
    26,161.02/39,221.77 = 13,497.21/x
  3. Step 3: Cross multiply
    26,161.02x = 39,221.77 × 13,497.21
  4. Step 4: Simplify right side
    26,161.02x = 529,384,300.72
  5. Step 5: Solve for x
    x = 529,384,300.72/26,161.02
  6. Step 6: Final answer
    x = 20,235.62

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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.