Home / 25,207.98-34,787.76-13,878.66

Finding the Fourth Proportional to 25,207.98, 34,787.76 and 13,878.66

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Solution

The fourth proportional to 25,207.98, 34,787.76 and 13,878.66 is: 19,152.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,207.98 : 34,787.76 = 13,878.66 : x
  2. Step 2: Convert to fraction form
    25,207.98/34,787.76 = 13,878.66/x
  3. Step 3: Cross multiply
    25,207.98x = 34,787.76 × 13,878.66
  4. Step 4: Simplify right side
    25,207.98x = 482,807,493.20
  5. Step 5: Solve for x
    x = 482,807,493.20/25,207.98
  6. Step 6: Final answer
    x = 19,152.96

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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.