Home / 26,656.90-39,957.55-10,855.06

Finding the Fourth Proportional to 26,656.90, 39,957.55 and 10,855.06

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Solution

The fourth proportional to 26,656.90, 39,957.55 and 10,855.06 is: 16,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,656.90 : 39,957.55 = 10,855.06 : x
  2. Step 2: Convert to fraction form
    26,656.90/39,957.55 = 10,855.06/x
  3. Step 3: Cross multiply
    26,656.90x = 39,957.55 × 10,855.06
  4. Step 4: Simplify right side
    26,656.90x = 433,741,761.49
  5. Step 5: Solve for x
    x = 433,741,761.49/26,656.90
  6. Step 6: Final answer
    x = 16,271.28

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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.