Home / 25,316.99-34,937.69-13,986.75

Finding the Fourth Proportional to 25,316.99, 34,937.69 and 13,986.75

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Solution

The fourth proportional to 25,316.99, 34,937.69 and 13,986.75 is: 19,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,316.99 : 34,937.69 = 13,986.75 : x
  2. Step 2: Convert to fraction form
    25,316.99/34,937.69 = 13,986.75/x
  3. Step 3: Cross multiply
    25,316.99x = 34,937.69 × 13,986.75
  4. Step 4: Simplify right side
    25,316.99x = 488,664,735.61
  5. Step 5: Solve for x
    x = 488,664,735.61/25,316.99
  6. Step 6: Final answer
    x = 19,301.85

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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.