Home / 28,868.08-43,302.12-9,148.17

Finding the Fourth Proportional to 28,868.08, 43,302.12 and 9,148.17

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Solution

The fourth proportional to 28,868.08, 43,302.12 and 9,148.17 is: 13,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.08 : 43,302.12 = 9,148.17 : x
  2. Step 2: Convert to fraction form
    28,868.08/43,302.12 = 9,148.17/x
  3. Step 3: Cross multiply
    28,868.08x = 43,302.12 × 9,148.17
  4. Step 4: Simplify right side
    28,868.08x = 396,135,155.12
  5. Step 5: Solve for x
    x = 396,135,155.12/28,868.08
  6. Step 6: Final answer
    x = 13,722.26

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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.