Home / 26,985.13-40,491.47-18,201.63

Finding the Fourth Proportional to 26,985.13, 40,491.47 and 18,201.63

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Solution

The fourth proportional to 26,985.13, 40,491.47 and 18,201.63 is: 27,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.13 : 40,491.47 = 18,201.63 : x
  2. Step 2: Convert to fraction form
    26,985.13/40,491.47 = 18,201.63/x
  3. Step 3: Cross multiply
    26,985.13x = 40,491.47 × 18,201.63
  4. Step 4: Simplify right side
    26,985.13x = 737,010,461.63
  5. Step 5: Solve for x
    x = 737,010,461.63/26,985.13
  6. Step 6: Final answer
    x = 27,311.73

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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.