Home / 25,540.47-35,246.87-15,463.19

Finding the Fourth Proportional to 25,540.47, 35,246.87 and 15,463.19

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Solution

The fourth proportional to 25,540.47, 35,246.87 and 15,463.19 is: 21,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,540.47 : 35,246.87 = 15,463.19 : x
  2. Step 2: Convert to fraction form
    25,540.47/35,246.87 = 15,463.19/x
  3. Step 3: Cross multiply
    25,540.47x = 35,246.87 × 15,463.19
  4. Step 4: Simplify right side
    25,540.47x = 545,028,794.17
  5. Step 5: Solve for x
    x = 545,028,794.17/25,540.47
  6. Step 6: Final answer
    x = 21,339.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.