Home / 26,679.80-39,985.08-10,866.44

Finding the Fourth Proportional to 26,679.80, 39,985.08 and 10,866.44

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Solution

The fourth proportional to 26,679.80, 39,985.08 and 10,866.44 is: 16,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.80 : 39,985.08 = 10,866.44 : x
  2. Step 2: Convert to fraction form
    26,679.80/39,985.08 = 10,866.44/x
  3. Step 3: Cross multiply
    26,679.80x = 39,985.08 × 10,866.44
  4. Step 4: Simplify right side
    26,679.80x = 434,495,472.72
  5. Step 5: Solve for x
    x = 434,495,472.72/26,679.80
  6. Step 6: Final answer
    x = 16,285.56

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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.