Home / 26,988.56-37,243.67-15,659.09

Finding the Fourth Proportional to 26,988.56, 37,243.67 and 15,659.09

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Solution

The fourth proportional to 26,988.56, 37,243.67 and 15,659.09 is: 21,609.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.56 : 37,243.67 = 15,659.09 : x
  2. Step 2: Convert to fraction form
    26,988.56/37,243.67 = 15,659.09/x
  3. Step 3: Cross multiply
    26,988.56x = 37,243.67 × 15,659.09
  4. Step 4: Simplify right side
    26,988.56x = 583,201,715.95
  5. Step 5: Solve for x
    x = 583,201,715.95/26,988.56
  6. Step 6: Final answer
    x = 21,609.22

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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.