Home / 25,051.88-34,570.16-13,719.08

Finding the Fourth Proportional to 25,051.88, 34,570.16 and 13,719.08

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Solution

The fourth proportional to 25,051.88, 34,570.16 and 13,719.08 is: 18,931.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,051.88 : 34,570.16 = 13,719.08 : x
  2. Step 2: Convert to fraction form
    25,051.88/34,570.16 = 13,719.08/x
  3. Step 3: Cross multiply
    25,051.88x = 34,570.16 × 13,719.08
  4. Step 4: Simplify right side
    25,051.88x = 474,270,790.65
  5. Step 5: Solve for x
    x = 474,270,790.65/25,051.88
  6. Step 6: Final answer
    x = 18,931.54

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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.