Home / 25,490.14-35,175.89-14,159.12

Finding the Fourth Proportional to 25,490.14, 35,175.89 and 14,159.12

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Solution

The fourth proportional to 25,490.14, 35,175.89 and 14,159.12 is: 19,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,490.14 : 35,175.89 = 14,159.12 : x
  2. Step 2: Convert to fraction form
    25,490.14/35,175.89 = 14,159.12/x
  3. Step 3: Cross multiply
    25,490.14x = 35,175.89 × 14,159.12
  4. Step 4: Simplify right side
    25,490.14x = 498,059,705.00
  5. Step 5: Solve for x
    x = 498,059,705.00/25,490.14
  6. Step 6: Final answer
    x = 19,539.31

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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.