Home / 19,421.78-29,110.64-17,077.25

Finding the Fourth Proportional to 19,421.78, 29,110.64 and 17,077.25

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Solution

The fourth proportional to 19,421.78, 29,110.64 and 17,077.25 is: 25,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421.78 : 29,110.64 = 17,077.25 : x
  2. Step 2: Convert to fraction form
    19,421.78/29,110.64 = 17,077.25/x
  3. Step 3: Cross multiply
    19,421.78x = 29,110.64 × 17,077.25
  4. Step 4: Simplify right side
    19,421.78x = 497,129,664.33
  5. Step 5: Solve for x
    x = 497,129,664.33/19,421.78
  6. Step 6: Final answer
    x = 25,596.51

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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.