Home / 25,275.74-37,862.86-12,587.27

Finding the Fourth Proportional to 25,275.74, 37,862.86 and 12,587.27

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Solution

The fourth proportional to 25,275.74, 37,862.86 and 12,587.27 is: 18,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,275.74 : 37,862.86 = 12,587.27 : x
  2. Step 2: Convert to fraction form
    25,275.74/37,862.86 = 12,587.27/x
  3. Step 3: Cross multiply
    25,275.74x = 37,862.86 × 12,587.27
  4. Step 4: Simplify right side
    25,275.74x = 476,589,789.54
  5. Step 5: Solve for x
    x = 476,589,789.54/25,275.74
  6. Step 6: Final answer
    x = 18,855.62

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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.