Home / 26,571.36-39,831.12-12,730.08

Finding the Fourth Proportional to 26,571.36, 39,831.12 and 12,730.08

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Solution

The fourth proportional to 26,571.36, 39,831.12 and 12,730.08 is: 19,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,571.36 : 39,831.12 = 12,730.08 : x
  2. Step 2: Convert to fraction form
    26,571.36/39,831.12 = 12,730.08/x
  3. Step 3: Cross multiply
    26,571.36x = 39,831.12 × 12,730.08
  4. Step 4: Simplify right side
    26,571.36x = 507,053,344.09
  5. Step 5: Solve for x
    x = 507,053,344.09/26,571.36
  6. Step 6: Final answer
    x = 19,082.70

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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.