Home / 25,977.36-38,962.80-10,395.12

Finding the Fourth Proportional to 25,977.36, 38,962.80 and 10,395.12

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Solution

The fourth proportional to 25,977.36, 38,962.80 and 10,395.12 is: 15,591.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,977.36 : 38,962.80 = 10,395.12 : x
  2. Step 2: Convert to fraction form
    25,977.36/38,962.80 = 10,395.12/x
  3. Step 3: Cross multiply
    25,977.36x = 38,962.80 × 10,395.12
  4. Step 4: Simplify right side
    25,977.36x = 405,022,981.54
  5. Step 5: Solve for x
    x = 405,022,981.54/25,977.36
  6. Step 6: Final answer
    x = 15,591.38

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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.