Home / 26,276.88-39,415.23-7,808.88

Finding the Fourth Proportional to 26,276.88, 39,415.23 and 7,808.88

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Solution

The fourth proportional to 26,276.88, 39,415.23 and 7,808.88 is: 11,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,276.88 : 39,415.23 = 7,808.88 : x
  2. Step 2: Convert to fraction form
    26,276.88/39,415.23 = 7,808.88/x
  3. Step 3: Cross multiply
    26,276.88x = 39,415.23 × 7,808.88
  4. Step 4: Simplify right side
    26,276.88x = 307,788,801.24
  5. Step 5: Solve for x
    x = 307,788,801.24/26,276.88
  6. Step 6: Final answer
    x = 11,713.29

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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.