Home / 28,110.30-42,165.45-26,943.90

Finding the Fourth Proportional to 28,110.30, 42,165.45 and 26,943.90

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Solution

The fourth proportional to 28,110.30, 42,165.45 and 26,943.90 is: 40,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.30 : 42,165.45 = 26,943.90 : x
  2. Step 2: Convert to fraction form
    28,110.30/42,165.45 = 26,943.90/x
  3. Step 3: Cross multiply
    28,110.30x = 42,165.45 × 26,943.90
  4. Step 4: Simplify right side
    28,110.30x = 1,136,101,668.26
  5. Step 5: Solve for x
    x = 1,136,101,668.26/28,110.30
  6. Step 6: Final answer
    x = 40,415.85

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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.