Home / 26,816.70-37,012.42-15,488.04

Finding the Fourth Proportional to 26,816.70, 37,012.42 and 15,488.04

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Solution

The fourth proportional to 26,816.70, 37,012.42 and 15,488.04 is: 21,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,816.70 : 37,012.42 = 15,488.04 : x
  2. Step 2: Convert to fraction form
    26,816.70/37,012.42 = 15,488.04/x
  3. Step 3: Cross multiply
    26,816.70x = 37,012.42 × 15,488.04
  4. Step 4: Simplify right side
    26,816.70x = 573,249,841.46
  5. Step 5: Solve for x
    x = 573,249,841.46/26,816.70
  6. Step 6: Final answer
    x = 21,376.60

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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.