Home / 25,208.12-34,787.28-13,877.24

Finding the Fourth Proportional to 25,208.12, 34,787.28 and 13,877.24

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Solution

The fourth proportional to 25,208.12, 34,787.28 and 13,877.24 is: 19,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,208.12 : 34,787.28 = 13,877.24 : x
  2. Step 2: Convert to fraction form
    25,208.12/34,787.28 = 13,877.24/x
  3. Step 3: Cross multiply
    25,208.12x = 34,787.28 × 13,877.24
  4. Step 4: Simplify right side
    25,208.12x = 482,751,433.51
  5. Step 5: Solve for x
    x = 482,751,433.51/25,208.12
  6. Step 6: Final answer
    x = 19,150.63

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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.