Home / 21,829.26-30,117.18-12,752.52

Finding the Fourth Proportional to 21,829.26, 30,117.18 and 12,752.52

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Solution

The fourth proportional to 21,829.26, 30,117.18 and 12,752.52 is: 17,594.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,829.26 : 30,117.18 = 12,752.52 : x
  2. Step 2: Convert to fraction form
    21,829.26/30,117.18 = 12,752.52/x
  3. Step 3: Cross multiply
    21,829.26x = 30,117.18 × 12,752.52
  4. Step 4: Simplify right side
    21,829.26x = 384,069,940.29
  5. Step 5: Solve for x
    x = 384,069,940.29/21,829.26
  6. Step 6: Final answer
    x = 17,594.27

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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.