Home / 25,851.94-38,772.87-7,127.14

Finding the Fourth Proportional to 25,851.94, 38,772.87 and 7,127.14

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Solution

The fourth proportional to 25,851.94, 38,772.87 and 7,127.14 is: 10,689.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.94 : 38,772.87 = 7,127.14 : x
  2. Step 2: Convert to fraction form
    25,851.94/38,772.87 = 7,127.14/x
  3. Step 3: Cross multiply
    25,851.94x = 38,772.87 × 7,127.14
  4. Step 4: Simplify right side
    25,851.94x = 276,339,672.69
  5. Step 5: Solve for x
    x = 276,339,672.69/25,851.94
  6. Step 6: Final answer
    x = 10,689.32

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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.