Home / 25,609.36-38,362.80-20,353.24

Finding the Fourth Proportional to 25,609.36, 38,362.80 and 20,353.24

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Solution

The fourth proportional to 25,609.36, 38,362.80 and 20,353.24 is: 30,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,609.36 : 38,362.80 = 20,353.24 : x
  2. Step 2: Convert to fraction form
    25,609.36/38,362.80 = 20,353.24/x
  3. Step 3: Cross multiply
    25,609.36x = 38,362.80 × 20,353.24
  4. Step 4: Simplify right side
    25,609.36x = 780,807,275.47
  5. Step 5: Solve for x
    x = 780,807,275.47/25,609.36
  6. Step 6: Final answer
    x = 30,489.14

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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.