Home / 25,309.56-37,963.89-10,305.78

Finding the Fourth Proportional to 25,309.56, 37,963.89 and 10,305.78

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Solution

The fourth proportional to 25,309.56, 37,963.89 and 10,305.78 is: 15,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.56 : 37,963.89 = 10,305.78 : x
  2. Step 2: Convert to fraction form
    25,309.56/37,963.89 = 10,305.78/x
  3. Step 3: Cross multiply
    25,309.56x = 37,963.89 × 10,305.78
  4. Step 4: Simplify right side
    25,309.56x = 391,247,569.47
  5. Step 5: Solve for x
    x = 391,247,569.47/25,309.56
  6. Step 6: Final answer
    x = 15,458.49

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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.