Home / 25,815.60-38,723.40-9,194.40

Finding the Fourth Proportional to 25,815.60, 38,723.40 and 9,194.40

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Solution

The fourth proportional to 25,815.60, 38,723.40 and 9,194.40 is: 13,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.60 : 38,723.40 = 9,194.40 : x
  2. Step 2: Convert to fraction form
    25,815.60/38,723.40 = 9,194.40/x
  3. Step 3: Cross multiply
    25,815.60x = 38,723.40 × 9,194.40
  4. Step 4: Simplify right side
    25,815.60x = 356,038,428.96
  5. Step 5: Solve for x
    x = 356,038,428.96/25,815.60
  6. Step 6: Final answer
    x = 13,791.60

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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.