Home / 25,288.20-37,943.37-13,587.75

Finding the Fourth Proportional to 25,288.20, 37,943.37 and 13,587.75

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Solution

The fourth proportional to 25,288.20, 37,943.37 and 13,587.75 is: 20,387.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.20 : 37,943.37 = 13,587.75 : x
  2. Step 2: Convert to fraction form
    25,288.20/37,943.37 = 13,587.75/x
  3. Step 3: Cross multiply
    25,288.20x = 37,943.37 × 13,587.75
  4. Step 4: Simplify right side
    25,288.20x = 515,565,025.72
  5. Step 5: Solve for x
    x = 515,565,025.72/25,288.20
  6. Step 6: Final answer
    x = 20,387.57

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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.