Home / 25,309.25-37,968.48-12,665.61

Finding the Fourth Proportional to 25,309.25, 37,968.48 and 12,665.61

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Solution

The fourth proportional to 25,309.25, 37,968.48 and 12,665.61 is: 19,000.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.25 : 37,968.48 = 12,665.61 : x
  2. Step 2: Convert to fraction form
    25,309.25/37,968.48 = 12,665.61/x
  3. Step 3: Cross multiply
    25,309.25x = 37,968.48 × 12,665.61
  4. Step 4: Simplify right side
    25,309.25x = 480,893,959.97
  5. Step 5: Solve for x
    x = 480,893,959.97/25,309.25
  6. Step 6: Final answer
    x = 19,000.72

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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.