Home / 19,456.35-26,838.96-12,752.79

Finding the Fourth Proportional to 19,456.35, 26,838.96 and 12,752.79

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Solution

The fourth proportional to 19,456.35, 26,838.96 and 12,752.79 is: 17,591.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,456.35 : 26,838.96 = 12,752.79 : x
  2. Step 2: Convert to fraction form
    19,456.35/26,838.96 = 12,752.79/x
  3. Step 3: Cross multiply
    19,456.35x = 26,838.96 × 12,752.79
  4. Step 4: Simplify right side
    19,456.35x = 342,271,620.70
  5. Step 5: Solve for x
    x = 342,271,620.70/19,456.35
  6. Step 6: Final answer
    x = 17,591.77

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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.