Home / 26,254.20-39,383.75-10,455.42

Finding the Fourth Proportional to 26,254.20, 39,383.75 and 10,455.42

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Solution

The fourth proportional to 26,254.20, 39,383.75 and 10,455.42 is: 15,684.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,254.20 : 39,383.75 = 10,455.42 : x
  2. Step 2: Convert to fraction form
    26,254.20/39,383.75 = 10,455.42/x
  3. Step 3: Cross multiply
    26,254.20x = 39,383.75 × 10,455.42
  4. Step 4: Simplify right side
    26,254.20x = 411,773,673.56
  5. Step 5: Solve for x
    x = 411,773,673.56/26,254.20
  6. Step 6: Final answer
    x = 15,684.11

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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.