Home / 26,679.21-36,819.69-14,742.45

Finding the Fourth Proportional to 26,679.21, 36,819.69 and 14,742.45

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Solution

The fourth proportional to 26,679.21, 36,819.69 and 14,742.45 is: 20,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.21 : 36,819.69 = 14,742.45 : x
  2. Step 2: Convert to fraction form
    26,679.21/36,819.69 = 14,742.45/x
  3. Step 3: Cross multiply
    26,679.21x = 36,819.69 × 14,742.45
  4. Step 4: Simplify right side
    26,679.21x = 542,812,438.84
  5. Step 5: Solve for x
    x = 542,812,438.84/26,679.21
  6. Step 6: Final answer
    x = 20,345.90

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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.