Home / 26,653.70-36,782.28-14,717.81

Finding the Fourth Proportional to 26,653.70, 36,782.28 and 14,717.81

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Solution

The fourth proportional to 26,653.70, 36,782.28 and 14,717.81 is: 20,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653.70 : 36,782.28 = 14,717.81 : x
  2. Step 2: Convert to fraction form
    26,653.70/36,782.28 = 14,717.81/x
  3. Step 3: Cross multiply
    26,653.70x = 36,782.28 × 14,717.81
  4. Step 4: Simplify right side
    26,653.70x = 541,354,424.50
  5. Step 5: Solve for x
    x = 541,354,424.50/26,653.70
  6. Step 6: Final answer
    x = 20,310.67

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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.