Home / 26,306.24-36,333.43-20,946.60

Finding the Fourth Proportional to 26,306.24, 36,333.43 and 20,946.60

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Solution

The fourth proportional to 26,306.24, 36,333.43 and 20,946.60 is: 28,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,306.24 : 36,333.43 = 20,946.60 : x
  2. Step 2: Convert to fraction form
    26,306.24/36,333.43 = 20,946.60/x
  3. Step 3: Cross multiply
    26,306.24x = 36,333.43 × 20,946.60
  4. Step 4: Simplify right side
    26,306.24x = 761,061,772.47
  5. Step 5: Solve for x
    x = 761,061,772.47/26,306.24
  6. Step 6: Final answer
    x = 28,930.85

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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.