Home / 19,829.50-27,369.09-15,514.07

Finding the Fourth Proportional to 19,829.50, 27,369.09 and 15,514.07

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Solution

The fourth proportional to 19,829.50, 27,369.09 and 15,514.07 is: 21,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.50 : 27,369.09 = 15,514.07 : x
  2. Step 2: Convert to fraction form
    19,829.50/27,369.09 = 15,514.07/x
  3. Step 3: Cross multiply
    19,829.50x = 27,369.09 × 15,514.07
  4. Step 4: Simplify right side
    19,829.50x = 424,605,841.25
  5. Step 5: Solve for x
    x = 424,605,841.25/19,829.50
  6. Step 6: Final answer
    x = 21,412.84

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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.