Home / 25,319.88-34,941.26-13,990.14

Finding the Fourth Proportional to 25,319.88, 34,941.26 and 13,990.14

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Solution

The fourth proportional to 25,319.88, 34,941.26 and 13,990.14 is: 19,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,319.88 : 34,941.26 = 13,990.14 : x
  2. Step 2: Convert to fraction form
    25,319.88/34,941.26 = 13,990.14/x
  3. Step 3: Cross multiply
    25,319.88x = 34,941.26 × 13,990.14
  4. Step 4: Simplify right side
    25,319.88x = 488,833,119.18
  5. Step 5: Solve for x
    x = 488,833,119.18/25,319.88
  6. Step 6: Final answer
    x = 19,306.30

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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.