Home / 28,202.06-42,299.55-9,225.11

Finding the Fourth Proportional to 28,202.06, 42,299.55 and 9,225.11

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Solution

The fourth proportional to 28,202.06, 42,299.55 and 9,225.11 is: 13,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202.06 : 42,299.55 = 9,225.11 : x
  2. Step 2: Convert to fraction form
    28,202.06/42,299.55 = 9,225.11/x
  3. Step 3: Cross multiply
    28,202.06x = 42,299.55 × 9,225.11
  4. Step 4: Simplify right side
    28,202.06x = 390,218,107.45
  5. Step 5: Solve for x
    x = 390,218,107.45/28,202.06
  6. Step 6: Final answer
    x = 13,836.51

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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.