Home / 26,831.06-40,250.43-8,364.50

Finding the Fourth Proportional to 26,831.06, 40,250.43 and 8,364.50

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Solution

The fourth proportional to 26,831.06, 40,250.43 and 8,364.50 is: 12,547.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,831.06 : 40,250.43 = 8,364.50 : x
  2. Step 2: Convert to fraction form
    26,831.06/40,250.43 = 8,364.50/x
  3. Step 3: Cross multiply
    26,831.06x = 40,250.43 × 8,364.50
  4. Step 4: Simplify right side
    26,831.06x = 336,674,721.74
  5. Step 5: Solve for x
    x = 336,674,721.74/26,831.06
  6. Step 6: Final answer
    x = 12,547.95

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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.