Home / 26,542.40-39,822.64-16,670.12

Finding the Fourth Proportional to 26,542.40, 39,822.64 and 16,670.12

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Solution

The fourth proportional to 26,542.40, 39,822.64 and 16,670.12 is: 25,010.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,542.40 : 39,822.64 = 16,670.12 : x
  2. Step 2: Convert to fraction form
    26,542.40/39,822.64 = 16,670.12/x
  3. Step 3: Cross multiply
    26,542.40x = 39,822.64 × 16,670.12
  4. Step 4: Simplify right side
    26,542.40x = 663,847,946.73
  5. Step 5: Solve for x
    x = 663,847,946.73/26,542.40
  6. Step 6: Final answer
    x = 25,010.85

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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.