Home / 25,155.13-34,714.07-13,977.13

Finding the Fourth Proportional to 25,155.13, 34,714.07 and 13,977.13

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Solution

The fourth proportional to 25,155.13, 34,714.07 and 13,977.13 is: 19,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.13 : 34,714.07 = 13,977.13 : x
  2. Step 2: Convert to fraction form
    25,155.13/34,714.07 = 13,977.13/x
  3. Step 3: Cross multiply
    25,155.13x = 34,714.07 × 13,977.13
  4. Step 4: Simplify right side
    25,155.13x = 485,203,069.22
  5. Step 5: Solve for x
    x = 485,203,069.22/25,155.13
  6. Step 6: Final answer
    x = 19,288.43

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1.5x scale

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.