Home / 28,050.08-42,083.08-11,422.04

Finding the Fourth Proportional to 28,050.08, 42,083.08 and 11,422.04

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Solution

The fourth proportional to 28,050.08, 42,083.08 and 11,422.04 is: 17,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.08 : 42,083.08 = 11,422.04 : x
  2. Step 2: Convert to fraction form
    28,050.08/42,083.08 = 11,422.04/x
  3. Step 3: Cross multiply
    28,050.08x = 42,083.08 × 11,422.04
  4. Step 4: Simplify right side
    28,050.08x = 480,674,623.08
  5. Step 5: Solve for x
    x = 480,674,623.08/28,050.08
  6. Step 6: Final answer
    x = 17,136.30

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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.