Home / 21,029.58-29,020.81-11,598.15

Finding the Fourth Proportional to 21,029.58, 29,020.81 and 11,598.15

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Solution

The fourth proportional to 21,029.58, 29,020.81 and 11,598.15 is: 16,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029.58 : 29,020.81 = 11,598.15 : x
  2. Step 2: Convert to fraction form
    21,029.58/29,020.81 = 11,598.15/x
  3. Step 3: Cross multiply
    21,029.58x = 29,020.81 × 11,598.15
  4. Step 4: Simplify right side
    21,029.58x = 336,587,707.50
  5. Step 5: Solve for x
    x = 336,587,707.50/21,029.58
  6. Step 6: Final answer
    x = 16,005.44

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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.