Home / 26,655.75-39,983.85-9,125.73

Finding the Fourth Proportional to 26,655.75, 39,983.85 and 9,125.73

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Solution

The fourth proportional to 26,655.75, 39,983.85 and 9,125.73 is: 13,688.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.75 : 39,983.85 = 9,125.73 : x
  2. Step 2: Convert to fraction form
    26,655.75/39,983.85 = 9,125.73/x
  3. Step 3: Cross multiply
    26,655.75x = 39,983.85 × 9,125.73
  4. Step 4: Simplify right side
    26,655.75x = 364,881,819.46
  5. Step 5: Solve for x
    x = 364,881,819.46/26,655.75
  6. Step 6: Final answer
    x = 13,688.67

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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.