Home / 28,874.05-43,312.30-9,152.17

Finding the Fourth Proportional to 28,874.05, 43,312.30 and 9,152.17

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Solution

The fourth proportional to 28,874.05, 43,312.30 and 9,152.17 is: 13,728.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.05 : 43,312.30 = 9,152.17 : x
  2. Step 2: Convert to fraction form
    28,874.05/43,312.30 = 9,152.17/x
  3. Step 3: Cross multiply
    28,874.05x = 43,312.30 × 9,152.17
  4. Step 4: Simplify right side
    28,874.05x = 396,401,401.53
  5. Step 5: Solve for x
    x = 396,401,401.53/28,874.05
  6. Step 6: Final answer
    x = 13,728.64

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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.