Home / 26,178.93-39,255.30-13,038.57

Finding the Fourth Proportional to 26,178.93, 39,255.30 and 13,038.57

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Solution

The fourth proportional to 26,178.93, 39,255.30 and 13,038.57 is: 19,551.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,178.93 : 39,255.30 = 13,038.57 : x
  2. Step 2: Convert to fraction form
    26,178.93/39,255.30 = 13,038.57/x
  3. Step 3: Cross multiply
    26,178.93x = 39,255.30 × 13,038.57
  4. Step 4: Simplify right side
    26,178.93x = 511,832,976.92
  5. Step 5: Solve for x
    x = 511,832,976.92/26,178.93
  6. Step 6: Final answer
    x = 19,551.33

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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.