Home / 25,018.31-34,520.15-14,405.15

Finding the Fourth Proportional to 25,018.31, 34,520.15 and 14,405.15

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Solution

The fourth proportional to 25,018.31, 34,520.15 and 14,405.15 is: 19,876.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,018.31 : 34,520.15 = 14,405.15 : x
  2. Step 2: Convert to fraction form
    25,018.31/34,520.15 = 14,405.15/x
  3. Step 3: Cross multiply
    25,018.31x = 34,520.15 × 14,405.15
  4. Step 4: Simplify right side
    25,018.31x = 497,267,694.15
  5. Step 5: Solve for x
    x = 497,267,694.15/25,018.31
  6. Step 6: Final answer
    x = 19,876.15

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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.