Home / 28,968.58-39,959.94-17,029.72

Finding the Fourth Proportional to 28,968.58, 39,959.94 and 17,029.72

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Solution

The fourth proportional to 28,968.58, 39,959.94 and 17,029.72 is: 23,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,968.58 : 39,959.94 = 17,029.72 : x
  2. Step 2: Convert to fraction form
    28,968.58/39,959.94 = 17,029.72/x
  3. Step 3: Cross multiply
    28,968.58x = 39,959.94 × 17,029.72
  4. Step 4: Simplify right side
    28,968.58x = 680,506,589.42
  5. Step 5: Solve for x
    x = 680,506,589.42/28,968.58
  6. Step 6: Final answer
    x = 23,491.20

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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.