Home / 26,617.60-36,734.07-15,290.76

Finding the Fourth Proportional to 26,617.60, 36,734.07 and 15,290.76

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Solution

The fourth proportional to 26,617.60, 36,734.07 and 15,290.76 is: 21,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,617.60 : 36,734.07 = 15,290.76 : x
  2. Step 2: Convert to fraction form
    26,617.60/36,734.07 = 15,290.76/x
  3. Step 3: Cross multiply
    26,617.60x = 36,734.07 × 15,290.76
  4. Step 4: Simplify right side
    26,617.60x = 561,691,848.19
  5. Step 5: Solve for x
    x = 561,691,848.19/26,617.60
  6. Step 6: Final answer
    x = 21,102.27

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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.