Home / 25,661.88-35,403.96-15,047.64

Finding the Fourth Proportional to 25,661.88, 35,403.96 and 15,047.64

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Solution

The fourth proportional to 25,661.88, 35,403.96 and 15,047.64 is: 20,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,661.88 : 35,403.96 = 15,047.64 : x
  2. Step 2: Convert to fraction form
    25,661.88/35,403.96 = 15,047.64/x
  3. Step 3: Cross multiply
    25,661.88x = 35,403.96 × 15,047.64
  4. Step 4: Simplify right side
    25,661.88x = 532,746,044.65
  5. Step 5: Solve for x
    x = 532,746,044.65/25,661.88
  6. Step 6: Final answer
    x = 20,760.21

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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.