Home / 26,929.40-37,136.88-20,544.84

Finding the Fourth Proportional to 26,929.40, 37,136.88 and 20,544.84

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Solution

The fourth proportional to 26,929.40, 37,136.88 and 20,544.84 is: 28,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.40 : 37,136.88 = 20,544.84 : x
  2. Step 2: Convert to fraction form
    26,929.40/37,136.88 = 20,544.84/x
  3. Step 3: Cross multiply
    26,929.40x = 37,136.88 × 20,544.84
  4. Step 4: Simplify right side
    26,929.40x = 762,971,257.70
  5. Step 5: Solve for x
    x = 762,971,257.70/26,929.40
  6. Step 6: Final answer
    x = 28,332.28

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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.