Home / 21,485.70-29,561.49-17,416.26

Finding the Fourth Proportional to 21,485.70, 29,561.49 and 17,416.26

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Solution

The fourth proportional to 21,485.70, 29,561.49 and 17,416.26 is: 23,962.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485.70 : 29,561.49 = 17,416.26 : x
  2. Step 2: Convert to fraction form
    21,485.70/29,561.49 = 17,416.26/x
  3. Step 3: Cross multiply
    21,485.70x = 29,561.49 × 17,416.26
  4. Step 4: Simplify right side
    21,485.70x = 514,850,595.83
  5. Step 5: Solve for x
    x = 514,850,595.83/21,485.70
  6. Step 6: Final answer
    x = 23,962.48

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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.