Home / 26,507.89-39,695.70-18,573.20

Finding the Fourth Proportional to 26,507.89, 39,695.70 and 18,573.20

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Solution

The fourth proportional to 26,507.89, 39,695.70 and 18,573.20 is: 27,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,507.89 : 39,695.70 = 18,573.20 : x
  2. Step 2: Convert to fraction form
    26,507.89/39,695.70 = 18,573.20/x
  3. Step 3: Cross multiply
    26,507.89x = 39,695.70 × 18,573.20
  4. Step 4: Simplify right side
    26,507.89x = 737,276,195.27
  5. Step 5: Solve for x
    x = 737,276,195.27/26,507.89
  6. Step 6: Final answer
    x = 27,813.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.