Home / 28,815.09-43,222.64-9,095.19

Finding the Fourth Proportional to 28,815.09, 43,222.64 and 9,095.19

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Solution

The fourth proportional to 28,815.09, 43,222.64 and 9,095.19 is: 13,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815.09 : 43,222.64 = 9,095.19 : x
  2. Step 2: Convert to fraction form
    28,815.09/43,222.64 = 9,095.19/x
  3. Step 3: Cross multiply
    28,815.09x = 43,222.64 × 9,095.19
  4. Step 4: Simplify right side
    28,815.09x = 393,118,123.10
  5. Step 5: Solve for x
    x = 393,118,123.10/28,815.09
  6. Step 6: Final answer
    x = 13,642.79

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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.