Home / 26,815.85-37,011.27-15,487.19

Finding the Fourth Proportional to 26,815.85, 37,011.27 and 15,487.19

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Solution

The fourth proportional to 26,815.85, 37,011.27 and 15,487.19 is: 21,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.85 : 37,011.27 = 15,487.19 : x
  2. Step 2: Convert to fraction form
    26,815.85/37,011.27 = 15,487.19/x
  3. Step 3: Cross multiply
    26,815.85x = 37,011.27 × 15,487.19
  4. Step 4: Simplify right side
    26,815.85x = 573,200,570.63
  5. Step 5: Solve for x
    x = 573,200,570.63/26,815.85
  6. Step 6: Final answer
    x = 21,375.44

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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.