Home / 28,202.45-42,304.28-9,483.08

Finding the Fourth Proportional to 28,202.45, 42,304.28 and 9,483.08

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Solution

The fourth proportional to 28,202.45, 42,304.28 and 9,483.08 is: 14,224.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202.45 : 42,304.28 = 9,483.08 : x
  2. Step 2: Convert to fraction form
    28,202.45/42,304.28 = 9,483.08/x
  3. Step 3: Cross multiply
    28,202.45x = 42,304.28 × 9,483.08
  4. Step 4: Simplify right side
    28,202.45x = 401,174,612.65
  5. Step 5: Solve for x
    x = 401,174,612.65/28,202.45
  6. Step 6: Final answer
    x = 14,224.82

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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.