Home / 26,818.56-37,007.82-15,487.20

Finding the Fourth Proportional to 26,818.56, 37,007.82 and 15,487.20

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Solution

The fourth proportional to 26,818.56, 37,007.82 and 15,487.20 is: 21,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,818.56 : 37,007.82 = 15,487.20 : x
  2. Step 2: Convert to fraction form
    26,818.56/37,007.82 = 15,487.20/x
  3. Step 3: Cross multiply
    26,818.56x = 37,007.82 × 15,487.20
  4. Step 4: Simplify right side
    26,818.56x = 573,147,509.90
  5. Step 5: Solve for x
    x = 573,147,509.90/26,818.56
  6. Step 6: Final answer
    x = 21,371.30

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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.