Home / 19,364.60-28,982.10-17,031.80

Finding the Fourth Proportional to 19,364.60, 28,982.10 and 17,031.80

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Solution

The fourth proportional to 19,364.60, 28,982.10 and 17,031.80 is: 25,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.60 : 28,982.10 = 17,031.80 : x
  2. Step 2: Convert to fraction form
    19,364.60/28,982.10 = 17,031.80/x
  3. Step 3: Cross multiply
    19,364.60x = 28,982.10 × 17,031.80
  4. Step 4: Simplify right side
    19,364.60x = 493,617,330.78
  5. Step 5: Solve for x
    x = 493,617,330.78/19,364.60
  6. Step 6: Final answer
    x = 25,490.71

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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.