Home / 26,555.21-36,641.90-15,222.62

Finding the Fourth Proportional to 26,555.21, 36,641.90 and 15,222.62

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Solution

The fourth proportional to 26,555.21, 36,641.90 and 15,222.62 is: 21,004.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.21 : 36,641.90 = 15,222.62 : x
  2. Step 2: Convert to fraction form
    26,555.21/36,641.90 = 15,222.62/x
  3. Step 3: Cross multiply
    26,555.21x = 36,641.90 × 15,222.62
  4. Step 4: Simplify right side
    26,555.21x = 557,785,719.78
  5. Step 5: Solve for x
    x = 557,785,719.78/26,555.21
  6. Step 6: Final answer
    x = 21,004.76

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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.