Home / 17,021.34-25,502.67-13,280.49

Finding the Fourth Proportional to 17,021.34, 25,502.67 and 13,280.49

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Solution

The fourth proportional to 17,021.34, 25,502.67 and 13,280.49 is: 19,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021.34 : 25,502.67 = 13,280.49 : x
  2. Step 2: Convert to fraction form
    17,021.34/25,502.67 = 13,280.49/x
  3. Step 3: Cross multiply
    17,021.34x = 25,502.67 × 13,280.49
  4. Step 4: Simplify right side
    17,021.34x = 338,687,953.91
  5. Step 5: Solve for x
    x = 338,687,953.91/17,021.34
  6. Step 6: Final answer
    x = 19,897.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.