Home / 21,534.25-29,714.61-12,575.24

Finding the Fourth Proportional to 21,534.25, 29,714.61 and 12,575.24

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Solution

The fourth proportional to 21,534.25, 29,714.61 and 12,575.24 is: 17,352.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534.25 : 29,714.61 = 12,575.24 : x
  2. Step 2: Convert to fraction form
    21,534.25/29,714.61 = 12,575.24/x
  3. Step 3: Cross multiply
    21,534.25x = 29,714.61 × 12,575.24
  4. Step 4: Simplify right side
    21,534.25x = 373,668,352.26
  5. Step 5: Solve for x
    x = 373,668,352.26/21,534.25
  6. Step 6: Final answer
    x = 17,352.28

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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.