Home / 21,646.51-32,469.77-17,709.91

Finding the Fourth Proportional to 21,646.51, 32,469.77 and 17,709.91

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Solution

The fourth proportional to 21,646.51, 32,469.77 and 17,709.91 is: 26,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646.51 : 32,469.77 = 17,709.91 : x
  2. Step 2: Convert to fraction form
    21,646.51/32,469.77 = 17,709.91/x
  3. Step 3: Cross multiply
    21,646.51x = 32,469.77 × 17,709.91
  4. Step 4: Simplify right side
    21,646.51x = 575,036,615.87
  5. Step 5: Solve for x
    x = 575,036,615.87/21,646.51
  6. Step 6: Final answer
    x = 26,564.87

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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.