Home / 25,309.36-34,928.12-15,240.92

Finding the Fourth Proportional to 25,309.36, 34,928.12 and 15,240.92

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Solution

The fourth proportional to 25,309.36, 34,928.12 and 15,240.92 is: 21,033.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.36 : 34,928.12 = 15,240.92 : x
  2. Step 2: Convert to fraction form
    25,309.36/34,928.12 = 15,240.92/x
  3. Step 3: Cross multiply
    25,309.36x = 34,928.12 × 15,240.92
  4. Step 4: Simplify right side
    25,309.36x = 532,336,682.67
  5. Step 5: Solve for x
    x = 532,336,682.67/25,309.36
  6. Step 6: Final answer
    x = 21,033.19

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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.