Home / 19,242.80-28,830.18-13,371.92

Finding the Fourth Proportional to 19,242.80, 28,830.18 and 13,371.92

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Solution

The fourth proportional to 19,242.80, 28,830.18 and 13,371.92 is: 20,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.80 : 28,830.18 = 13,371.92 : x
  2. Step 2: Convert to fraction form
    19,242.80/28,830.18 = 13,371.92/x
  3. Step 3: Cross multiply
    19,242.80x = 28,830.18 × 13,371.92
  4. Step 4: Simplify right side
    19,242.80x = 385,514,860.55
  5. Step 5: Solve for x
    x = 385,514,860.55/19,242.80
  6. Step 6: Final answer
    x = 20,034.24

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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.