Home / 26,831.61-40,231.01-12,795.93

Finding the Fourth Proportional to 26,831.61, 40,231.01 and 12,795.93

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Solution

The fourth proportional to 26,831.61, 40,231.01 and 12,795.93 is: 19,186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,831.61 : 40,231.01 = 12,795.93 : x
  2. Step 2: Convert to fraction form
    26,831.61/40,231.01 = 12,795.93/x
  3. Step 3: Cross multiply
    26,831.61x = 40,231.01 × 12,795.93
  4. Step 4: Simplify right side
    26,831.61x = 514,793,123.81
  5. Step 5: Solve for x
    x = 514,793,123.81/26,831.61
  6. Step 6: Final answer
    x = 19,186.07

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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.