Home / 25,317.65-34,940.40-13,988.14

Finding the Fourth Proportional to 25,317.65, 34,940.40 and 13,988.14

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Solution

The fourth proportional to 25,317.65, 34,940.40 and 13,988.14 is: 19,304.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,317.65 : 34,940.40 = 13,988.14 : x
  2. Step 2: Convert to fraction form
    25,317.65/34,940.40 = 13,988.14/x
  3. Step 3: Cross multiply
    25,317.65x = 34,940.40 × 13,988.14
  4. Step 4: Simplify right side
    25,317.65x = 488,751,206.86
  5. Step 5: Solve for x
    x = 488,751,206.86/25,317.65
  6. Step 6: Final answer
    x = 19,304.76

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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.