Home / 28,907.64-43,349.20-9,180.92

Finding the Fourth Proportional to 28,907.64, 43,349.20 and 9,180.92

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Solution

The fourth proportional to 28,907.64, 43,349.20 and 9,180.92 is: 13,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.64 : 43,349.20 = 9,180.92 : x
  2. Step 2: Convert to fraction form
    28,907.64/43,349.20 = 9,180.92/x
  3. Step 3: Cross multiply
    28,907.64x = 43,349.20 × 9,180.92
  4. Step 4: Simplify right side
    28,907.64x = 397,985,537.26
  5. Step 5: Solve for x
    x = 397,985,537.26/28,907.64
  6. Step 6: Final answer
    x = 13,767.49

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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.