Home / 26,220.45-36,178.47-17,147.91

Finding the Fourth Proportional to 26,220.45, 36,178.47 and 17,147.91

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Solution

The fourth proportional to 26,220.45, 36,178.47 and 17,147.91 is: 23,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220.45 : 36,178.47 = 17,147.91 : x
  2. Step 2: Convert to fraction form
    26,220.45/36,178.47 = 17,147.91/x
  3. Step 3: Cross multiply
    26,220.45x = 36,178.47 × 17,147.91
  4. Step 4: Simplify right side
    26,220.45x = 620,385,147.50
  5. Step 5: Solve for x
    x = 620,385,147.50/26,220.45
  6. Step 6: Final answer
    x = 23,660.35

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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.