Home / 26,567.94-39,876.48-13,429.47

Finding the Fourth Proportional to 26,567.94, 39,876.48 and 13,429.47

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Solution

The fourth proportional to 26,567.94, 39,876.48 and 13,429.47 is: 20,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,567.94 : 39,876.48 = 13,429.47 : x
  2. Step 2: Convert to fraction form
    26,567.94/39,876.48 = 13,429.47/x
  3. Step 3: Cross multiply
    26,567.94x = 39,876.48 × 13,429.47
  4. Step 4: Simplify right side
    26,567.94x = 535,519,991.87
  5. Step 5: Solve for x
    x = 535,519,991.87/26,567.94
  6. Step 6: Final answer
    x = 20,156.62

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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.