Home / 26,937.84-40,401.57-15,831.55

Finding the Fourth Proportional to 26,937.84, 40,401.57 and 15,831.55

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Solution

The fourth proportional to 26,937.84, 40,401.57 and 15,831.55 is: 23,744.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,937.84 : 40,401.57 = 15,831.55 : x
  2. Step 2: Convert to fraction form
    26,937.84/40,401.57 = 15,831.55/x
  3. Step 3: Cross multiply
    26,937.84x = 40,401.57 × 15,831.55
  4. Step 4: Simplify right side
    26,937.84x = 639,619,475.53
  5. Step 5: Solve for x
    x = 639,619,475.53/26,937.84
  6. Step 6: Final answer
    x = 23,744.27

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1.5x scale

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.