Home / 26,441.40-36,479.67-15,102.72

Finding the Fourth Proportional to 26,441.40, 36,479.67 and 15,102.72

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Solution

The fourth proportional to 26,441.40, 36,479.67 and 15,102.72 is: 20,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,441.40 : 36,479.67 = 15,102.72 : x
  2. Step 2: Convert to fraction form
    26,441.40/36,479.67 = 15,102.72/x
  3. Step 3: Cross multiply
    26,441.40x = 36,479.67 × 15,102.72
  4. Step 4: Simplify right side
    26,441.40x = 550,942,241.70
  5. Step 5: Solve for x
    x = 550,942,241.70/26,441.40
  6. Step 6: Final answer
    x = 20,836.35

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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.