Home / 26,788.56-40,212-19,746.72

Finding the Fourth Proportional to 26,788.56, 40,212 and 19,746.72

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Solution

The fourth proportional to 26,788.56, 40,212 and 19,746.72 is: 29,641.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,788.56 : 40,212 = 19,746.72 : x
  2. Step 2: Convert to fraction form
    26,788.56/40,212 = 19,746.72/x
  3. Step 3: Cross multiply
    26,788.56x = 40,212 × 19,746.72
  4. Step 4: Simplify right side
    26,788.56x = 794,055,104.64
  5. Step 5: Solve for x
    x = 794,055,104.64/26,788.56
  6. Step 6: Final answer
    x = 29,641.57

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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.