Home / 25,400.72-35,053.23-15,327.22

Finding the Fourth Proportional to 25,400.72, 35,053.23 and 15,327.22

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Solution

The fourth proportional to 25,400.72, 35,053.23 and 15,327.22 is: 21,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.72 : 35,053.23 = 15,327.22 : x
  2. Step 2: Convert to fraction form
    25,400.72/35,053.23 = 15,327.22/x
  3. Step 3: Cross multiply
    25,400.72x = 35,053.23 × 15,327.22
  4. Step 4: Simplify right side
    25,400.72x = 537,268,392.65
  5. Step 5: Solve for x
    x = 537,268,392.65/25,400.72
  6. Step 6: Final answer
    x = 21,151.70

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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.