Home / 26,376.28-36,401.74-15,765.68

Finding the Fourth Proportional to 26,376.28, 36,401.74 and 15,765.68

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Solution

The fourth proportional to 26,376.28, 36,401.74 and 15,765.68 is: 21,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,376.28 : 36,401.74 = 15,765.68 : x
  2. Step 2: Convert to fraction form
    26,376.28/36,401.74 = 15,765.68/x
  3. Step 3: Cross multiply
    26,376.28x = 36,401.74 × 15,765.68
  4. Step 4: Simplify right side
    26,376.28x = 573,898,235.87
  5. Step 5: Solve for x
    x = 573,898,235.87/26,376.28
  6. Step 6: Final answer
    x = 21,758.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.