Home / 26,915.82-40,373.76-9,385.20

Finding the Fourth Proportional to 26,915.82, 40,373.76 and 9,385.20

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Solution

The fourth proportional to 26,915.82, 40,373.76 and 9,385.20 is: 14,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.82 : 40,373.76 = 9,385.20 : x
  2. Step 2: Convert to fraction form
    26,915.82/40,373.76 = 9,385.20/x
  3. Step 3: Cross multiply
    26,915.82x = 40,373.76 × 9,385.20
  4. Step 4: Simplify right side
    26,915.82x = 378,915,812.35
  5. Step 5: Solve for x
    x = 378,915,812.35/26,915.82
  6. Step 6: Final answer
    x = 14,077.81

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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.