Home / 25,485.60-38,237.28-11,455.56

Finding the Fourth Proportional to 25,485.60, 38,237.28 and 11,455.56

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Solution

The fourth proportional to 25,485.60, 38,237.28 and 11,455.56 is: 17,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485.60 : 38,237.28 = 11,455.56 : x
  2. Step 2: Convert to fraction form
    25,485.60/38,237.28 = 11,455.56/x
  3. Step 3: Cross multiply
    25,485.60x = 38,237.28 × 11,455.56
  4. Step 4: Simplify right side
    25,485.60x = 438,029,455.28
  5. Step 5: Solve for x
    x = 438,029,455.28/25,485.60
  6. Step 6: Final answer
    x = 17,187.33

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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.