Home / 26,989.03-40,212.18-25,480

Finding the Fourth Proportional to 26,989.03, 40,212.18 and 25,480

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Solution

The fourth proportional to 26,989.03, 40,212.18 and 25,480 is: 37,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.03 : 40,212.18 = 25,480 : x
  2. Step 2: Convert to fraction form
    26,989.03/40,212.18 = 25,480/x
  3. Step 3: Cross multiply
    26,989.03x = 40,212.18 × 25,480
  4. Step 4: Simplify right side
    26,989.03x = 1,024,606,346.40
  5. Step 5: Solve for x
    x = 1,024,606,346.40/26,989.03
  6. Step 6: Final answer
    x = 37,963.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.