Home / 25,210-34,789.80-14,031.76

Finding the Fourth Proportional to 25,210, 34,789.80 and 14,031.76

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Solution

The fourth proportional to 25,210, 34,789.80 and 14,031.76 is: 19,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,210 : 34,789.80 = 14,031.76 : x
  2. Step 2: Convert to fraction form
    25,210/34,789.80 = 14,031.76/x
  3. Step 3: Cross multiply
    25,210x = 34,789.80 × 14,031.76
  4. Step 4: Simplify right side
    25,210x = 488,162,124.05
  5. Step 5: Solve for x
    x = 488,162,124.05/25,210
  6. Step 6: Final answer
    x = 19,363.83

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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.