Home / 28,800.42-43,199.40-9,093.12

Finding the Fourth Proportional to 28,800.42, 43,199.40 and 9,093.12

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Solution

The fourth proportional to 28,800.42, 43,199.40 and 9,093.12 is: 13,639.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.42 : 43,199.40 = 9,093.12 : x
  2. Step 2: Convert to fraction form
    28,800.42/43,199.40 = 9,093.12/x
  3. Step 3: Cross multiply
    28,800.42x = 43,199.40 × 9,093.12
  4. Step 4: Simplify right side
    28,800.42x = 392,817,328.13
  5. Step 5: Solve for x
    x = 392,817,328.13/28,800.42
  6. Step 6: Final answer
    x = 13,639.29

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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.