Home / 19,127.78-28,694.91-5,977.57

Finding the Fourth Proportional to 19,127.78, 28,694.91 and 5,977.57

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Solution

The fourth proportional to 19,127.78, 28,694.91 and 5,977.57 is: 8,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.78 : 28,694.91 = 5,977.57 : x
  2. Step 2: Convert to fraction form
    19,127.78/28,694.91 = 5,977.57/x
  3. Step 3: Cross multiply
    19,127.78x = 28,694.91 × 5,977.57
  4. Step 4: Simplify right side
    19,127.78x = 171,525,689.69
  5. Step 5: Solve for x
    x = 171,525,689.69/19,127.78
  6. Step 6: Final answer
    x = 8,967.36

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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.