Home / 25,364.12-37,990.70-12,862.60

Finding the Fourth Proportional to 25,364.12, 37,990.70 and 12,862.60

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Solution

The fourth proportional to 25,364.12, 37,990.70 and 12,862.60 is: 19,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,364.12 : 37,990.70 = 12,862.60 : x
  2. Step 2: Convert to fraction form
    25,364.12/37,990.70 = 12,862.60/x
  3. Step 3: Cross multiply
    25,364.12x = 37,990.70 × 12,862.60
  4. Step 4: Simplify right side
    25,364.12x = 488,659,177.82
  5. Step 5: Solve for x
    x = 488,659,177.82/25,364.12
  6. Step 6: Final answer
    x = 19,265.77

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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.