Home / 26,557.20-39,835.80-25,419.60

Finding the Fourth Proportional to 26,557.20, 39,835.80 and 25,419.60

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Solution

The fourth proportional to 26,557.20, 39,835.80 and 25,419.60 is: 38,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,557.20 : 39,835.80 = 25,419.60 : x
  2. Step 2: Convert to fraction form
    26,557.20/39,835.80 = 25,419.60/x
  3. Step 3: Cross multiply
    26,557.20x = 39,835.80 × 25,419.60
  4. Step 4: Simplify right side
    26,557.20x = 1,012,610,101.68
  5. Step 5: Solve for x
    x = 1,012,610,101.68/26,557.20
  6. Step 6: Final answer
    x = 38,129.40

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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.