Home / 25,210.17-34,789.50-13,879.08

Finding the Fourth Proportional to 25,210.17, 34,789.50 and 13,879.08

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Solution

The fourth proportional to 25,210.17, 34,789.50 and 13,879.08 is: 19,152.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,210.17 : 34,789.50 = 13,879.08 : x
  2. Step 2: Convert to fraction form
    25,210.17/34,789.50 = 13,879.08/x
  3. Step 3: Cross multiply
    25,210.17x = 34,789.50 × 13,879.08
  4. Step 4: Simplify right side
    25,210.17x = 482,846,253.66
  5. Step 5: Solve for x
    x = 482,846,253.66/25,210.17
  6. Step 6: Final answer
    x = 19,152.84

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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.