Home / 25,809.79-35,617.52-15,062.05

Finding the Fourth Proportional to 25,809.79, 35,617.52 and 15,062.05

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Solution

The fourth proportional to 25,809.79, 35,617.52 and 15,062.05 is: 20,785.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,809.79 : 35,617.52 = 15,062.05 : x
  2. Step 2: Convert to fraction form
    25,809.79/35,617.52 = 15,062.05/x
  3. Step 3: Cross multiply
    25,809.79x = 35,617.52 × 15,062.05
  4. Step 4: Simplify right side
    25,809.79x = 536,472,949.29
  5. Step 5: Solve for x
    x = 536,472,949.29/25,809.79
  6. Step 6: Final answer
    x = 20,785.64

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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.