Home / 26,551.32-36,641.34-15,379.80

Finding the Fourth Proportional to 26,551.32, 36,641.34 and 15,379.80

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Solution

The fourth proportional to 26,551.32, 36,641.34 and 15,379.80 is: 21,224.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,551.32 : 36,641.34 = 15,379.80 : x
  2. Step 2: Convert to fraction form
    26,551.32/36,641.34 = 15,379.80/x
  3. Step 3: Cross multiply
    26,551.32x = 36,641.34 × 15,379.80
  4. Step 4: Simplify right side
    26,551.32x = 563,536,480.93
  5. Step 5: Solve for x
    x = 563,536,480.93/26,551.32
  6. Step 6: Final answer
    x = 21,224.42

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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.