Home / 25,116.75-34,661.12-13,938.75

Finding the Fourth Proportional to 25,116.75, 34,661.12 and 13,938.75

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Solution

The fourth proportional to 25,116.75, 34,661.12 and 13,938.75 is: 19,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,116.75 : 34,661.12 = 13,938.75 : x
  2. Step 2: Convert to fraction form
    25,116.75/34,661.12 = 13,938.75/x
  3. Step 3: Cross multiply
    25,116.75x = 34,661.12 × 13,938.75
  4. Step 4: Simplify right side
    25,116.75x = 483,132,616.71
  5. Step 5: Solve for x
    x = 483,132,616.71/25,116.75
  6. Step 6: Final answer
    x = 19,235.48

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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.