Home / 26,985.24-40,477.96-8,265.20

Finding the Fourth Proportional to 26,985.24, 40,477.96 and 8,265.20

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Solution

The fourth proportional to 26,985.24, 40,477.96 and 8,265.20 is: 12,397.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.24 : 40,477.96 = 8,265.20 : x
  2. Step 2: Convert to fraction form
    26,985.24/40,477.96 = 8,265.20/x
  3. Step 3: Cross multiply
    26,985.24x = 40,477.96 × 8,265.20
  4. Step 4: Simplify right side
    26,985.24x = 334,558,434.99
  5. Step 5: Solve for x
    x = 334,558,434.99/26,985.24
  6. Step 6: Final answer
    x = 12,397.83

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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.