Home / 25,654.51-35,393.48-15,579.14

Finding the Fourth Proportional to 25,654.51, 35,393.48 and 15,579.14

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Solution

The fourth proportional to 25,654.51, 35,393.48 and 15,579.14 is: 21,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654.51 : 35,393.48 = 15,579.14 : x
  2. Step 2: Convert to fraction form
    25,654.51/35,393.48 = 15,579.14/x
  3. Step 3: Cross multiply
    25,654.51x = 35,393.48 × 15,579.14
  4. Step 4: Simplify right side
    25,654.51x = 551,399,990.60
  5. Step 5: Solve for x
    x = 551,399,990.60/25,654.51
  6. Step 6: Final answer
    x = 21,493.30

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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.