Home / 26,985.88-40,481.70-7,264.72

Finding the Fourth Proportional to 26,985.88, 40,481.70 and 7,264.72

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Solution

The fourth proportional to 26,985.88, 40,481.70 and 7,264.72 is: 10,897.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.88 : 40,481.70 = 7,264.72 : x
  2. Step 2: Convert to fraction form
    26,985.88/40,481.70 = 7,264.72/x
  3. Step 3: Cross multiply
    26,985.88x = 40,481.70 × 7,264.72
  4. Step 4: Simplify right side
    26,985.88x = 294,088,215.62
  5. Step 5: Solve for x
    x = 294,088,215.62/26,985.88
  6. Step 6: Final answer
    x = 10,897.86

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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.