Home / 28,063.32-42,065.36-9,338.32

Finding the Fourth Proportional to 28,063.32, 42,065.36 and 9,338.32

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Solution

The fourth proportional to 28,063.32, 42,065.36 and 9,338.32 is: 13,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.32 : 42,065.36 = 9,338.32 : x
  2. Step 2: Convert to fraction form
    28,063.32/42,065.36 = 9,338.32/x
  3. Step 3: Cross multiply
    28,063.32x = 42,065.36 × 9,338.32
  4. Step 4: Simplify right side
    28,063.32x = 392,819,792.60
  5. Step 5: Solve for x
    x = 392,819,792.60/28,063.32
  6. Step 6: Final answer
    x = 13,997.62

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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.