Home / 28,874.13-43,312.75-9,154.23

Finding the Fourth Proportional to 28,874.13, 43,312.75 and 9,154.23

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Solution

The fourth proportional to 28,874.13, 43,312.75 and 9,154.23 is: 13,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.13 : 43,312.75 = 9,154.23 : x
  2. Step 2: Convert to fraction form
    28,874.13/43,312.75 = 9,154.23/x
  3. Step 3: Cross multiply
    28,874.13x = 43,312.75 × 9,154.23
  4. Step 4: Simplify right side
    28,874.13x = 396,494,690.12
  5. Step 5: Solve for x
    x = 396,494,690.12/28,874.13
  6. Step 6: Final answer
    x = 13,731.83

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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.