Home / 26,017.80-39,026.54-8,487.64

Finding the Fourth Proportional to 26,017.80, 39,026.54 and 8,487.64

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Solution

The fourth proportional to 26,017.80, 39,026.54 and 8,487.64 is: 12,731.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,017.80 : 39,026.54 = 8,487.64 : x
  2. Step 2: Convert to fraction form
    26,017.80/39,026.54 = 8,487.64/x
  3. Step 3: Cross multiply
    26,017.80x = 39,026.54 × 8,487.64
  4. Step 4: Simplify right side
    26,017.80x = 331,243,221.97
  5. Step 5: Solve for x
    x = 331,243,221.97/26,017.80
  6. Step 6: Final answer
    x = 12,731.41

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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.