Home / 26,681.82-40,010.40-15,591.92

Finding the Fourth Proportional to 26,681.82, 40,010.40 and 15,591.92

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Solution

The fourth proportional to 26,681.82, 40,010.40 and 15,591.92 is: 23,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,681.82 : 40,010.40 = 15,591.92 : x
  2. Step 2: Convert to fraction form
    26,681.82/40,010.40 = 15,591.92/x
  3. Step 3: Cross multiply
    26,681.82x = 40,010.40 × 15,591.92
  4. Step 4: Simplify right side
    26,681.82x = 623,838,755.92
  5. Step 5: Solve for x
    x = 623,838,755.92/26,681.82
  6. Step 6: Final answer
    x = 23,380.67

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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.