Home / 26,689.24-40,034.57-12,645.87

Finding the Fourth Proportional to 26,689.24, 40,034.57 and 12,645.87

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Solution

The fourth proportional to 26,689.24, 40,034.57 and 12,645.87 is: 18,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.24 : 40,034.57 = 12,645.87 : x
  2. Step 2: Convert to fraction form
    26,689.24/40,034.57 = 12,645.87/x
  3. Step 3: Cross multiply
    26,689.24x = 40,034.57 × 12,645.87
  4. Step 4: Simplify right side
    26,689.24x = 506,271,967.73
  5. Step 5: Solve for x
    x = 506,271,967.73/26,689.24
  6. Step 6: Final answer
    x = 18,969.14

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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.