Home / 25,456.60-38,184.90-10,661.55

Finding the Fourth Proportional to 25,456.60, 38,184.90 and 10,661.55

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Solution

The fourth proportional to 25,456.60, 38,184.90 and 10,661.55 is: 15,992.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.60 : 38,184.90 = 10,661.55 : x
  2. Step 2: Convert to fraction form
    25,456.60/38,184.90 = 10,661.55/x
  3. Step 3: Cross multiply
    25,456.60x = 38,184.90 × 10,661.55
  4. Step 4: Simplify right side
    25,456.60x = 407,110,220.60
  5. Step 5: Solve for x
    x = 407,110,220.60/25,456.60
  6. Step 6: Final answer
    x = 15,992.33

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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.