Home / 28,240.58-42,369.99-17,008.11

Finding the Fourth Proportional to 28,240.58, 42,369.99 and 17,008.11

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Solution

The fourth proportional to 28,240.58, 42,369.99 and 17,008.11 is: 25,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.58 : 42,369.99 = 17,008.11 : x
  2. Step 2: Convert to fraction form
    28,240.58/42,369.99 = 17,008.11/x
  3. Step 3: Cross multiply
    28,240.58x = 42,369.99 × 17,008.11
  4. Step 4: Simplify right side
    28,240.58x = 720,633,386.84
  5. Step 5: Solve for x
    x = 720,633,386.84/28,240.58
  6. Step 6: Final answer
    x = 25,517.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.