Home / 27,355.80-41,009.40-18,000.30

Finding the Fourth Proportional to 27,355.80, 41,009.40 and 18,000.30

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Solution

The fourth proportional to 27,355.80, 41,009.40 and 18,000.30 is: 26,984.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,355.80 : 41,009.40 = 18,000.30 : x
  2. Step 2: Convert to fraction form
    27,355.80/41,009.40 = 18,000.30/x
  3. Step 3: Cross multiply
    27,355.80x = 41,009.40 × 18,000.30
  4. Step 4: Simplify right side
    27,355.80x = 738,181,502.82
  5. Step 5: Solve for x
    x = 738,181,502.82/27,355.80
  6. Step 6: Final answer
    x = 26,984.46

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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.