Home / 25,286.51-34,895.35-13,956.01

Finding the Fourth Proportional to 25,286.51, 34,895.35 and 13,956.01

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Solution

The fourth proportional to 25,286.51, 34,895.35 and 13,956.01 is: 19,259.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286.51 : 34,895.35 = 13,956.01 : x
  2. Step 2: Convert to fraction form
    25,286.51/34,895.35 = 13,956.01/x
  3. Step 3: Cross multiply
    25,286.51x = 34,895.35 × 13,956.01
  4. Step 4: Simplify right side
    25,286.51x = 486,999,783.76
  5. Step 5: Solve for x
    x = 486,999,783.76/25,286.51
  6. Step 6: Final answer
    x = 19,259.27

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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.