Home / 26,555.18-36,640.89-15,228.27

Finding the Fourth Proportional to 26,555.18, 36,640.89 and 15,228.27

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Solution

The fourth proportional to 26,555.18, 36,640.89 and 15,228.27 is: 21,012.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.18 : 36,640.89 = 15,228.27 : x
  2. Step 2: Convert to fraction form
    26,555.18/36,640.89 = 15,228.27/x
  3. Step 3: Cross multiply
    26,555.18x = 36,640.89 × 15,228.27
  4. Step 4: Simplify right side
    26,555.18x = 557,977,365.96
  5. Step 5: Solve for x
    x = 557,977,365.96/26,555.18
  6. Step 6: Final answer
    x = 21,012.00

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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.