Home / 26,742.24-40,112.51-12,712.37

Finding the Fourth Proportional to 26,742.24, 40,112.51 and 12,712.37

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Solution

The fourth proportional to 26,742.24, 40,112.51 and 12,712.37 is: 19,068.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,742.24 : 40,112.51 = 12,712.37 : x
  2. Step 2: Convert to fraction form
    26,742.24/40,112.51 = 12,712.37/x
  3. Step 3: Cross multiply
    26,742.24x = 40,112.51 × 12,712.37
  4. Step 4: Simplify right side
    26,742.24x = 509,924,804.62
  5. Step 5: Solve for x
    x = 509,924,804.62/26,742.24
  6. Step 6: Final answer
    x = 19,068.14

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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.