Home / 28,318.09-42,450.60-9,585.02

Finding the Fourth Proportional to 28,318.09, 42,450.60 and 9,585.02

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Solution

The fourth proportional to 28,318.09, 42,450.60 and 9,585.02 is: 14,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318.09 : 42,450.60 = 9,585.02 : x
  2. Step 2: Convert to fraction form
    28,318.09/42,450.60 = 9,585.02/x
  3. Step 3: Cross multiply
    28,318.09x = 42,450.60 × 9,585.02
  4. Step 4: Simplify right side
    28,318.09x = 406,889,850.01
  5. Step 5: Solve for x
    x = 406,889,850.01/28,318.09
  6. Step 6: Final answer
    x = 14,368.55

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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.