Home / 26,763.84-40,139.64-10,125.72

Finding the Fourth Proportional to 26,763.84, 40,139.64 and 10,125.72

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Solution

The fourth proportional to 26,763.84, 40,139.64 and 10,125.72 is: 15,186.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,763.84 : 40,139.64 = 10,125.72 : x
  2. Step 2: Convert to fraction form
    26,763.84/40,139.64 = 10,125.72/x
  3. Step 3: Cross multiply
    26,763.84x = 40,139.64 × 10,125.72
  4. Step 4: Simplify right side
    26,763.84x = 406,442,755.54
  5. Step 5: Solve for x
    x = 406,442,755.54/26,763.84
  6. Step 6: Final answer
    x = 15,186.26

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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.