Home / 29,256.12-40,376.88-28,337.58

Finding the Fourth Proportional to 29,256.12, 40,376.88 and 28,337.58

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Solution

The fourth proportional to 29,256.12, 40,376.88 and 28,337.58 is: 39,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,256.12 : 40,376.88 = 28,337.58 : x
  2. Step 2: Convert to fraction form
    29,256.12/40,376.88 = 28,337.58/x
  3. Step 3: Cross multiply
    29,256.12x = 40,376.88 × 28,337.58
  4. Step 4: Simplify right side
    29,256.12x = 1,144,183,067.15
  5. Step 5: Solve for x
    x = 1,144,183,067.15/29,256.12
  6. Step 6: Final answer
    x = 39,109.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.