Home / 26,391.60-36,420.30-14,455.68

Finding the Fourth Proportional to 26,391.60, 36,420.30 and 14,455.68

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Solution

The fourth proportional to 26,391.60, 36,420.30 and 14,455.68 is: 19,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.60 : 36,420.30 = 14,455.68 : x
  2. Step 2: Convert to fraction form
    26,391.60/36,420.30 = 14,455.68/x
  3. Step 3: Cross multiply
    26,391.60x = 36,420.30 × 14,455.68
  4. Step 4: Simplify right side
    26,391.60x = 526,480,202.30
  5. Step 5: Solve for x
    x = 526,480,202.30/26,391.60
  6. Step 6: Final answer
    x = 19,948.78

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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.