Home / 25,277.21-34,882.91-13,947.20

Finding the Fourth Proportional to 25,277.21, 34,882.91 and 13,947.20

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Solution

The fourth proportional to 25,277.21, 34,882.91 and 13,947.20 is: 19,247.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,277.21 : 34,882.91 = 13,947.20 : x
  2. Step 2: Convert to fraction form
    25,277.21/34,882.91 = 13,947.20/x
  3. Step 3: Cross multiply
    25,277.21x = 34,882.91 × 13,947.20
  4. Step 4: Simplify right side
    25,277.21x = 486,518,922.35
  5. Step 5: Solve for x
    x = 486,518,922.35/25,277.21
  6. Step 6: Final answer
    x = 19,247.33

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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.