Home / 28,714.63-43,071.94-8,994.72

Finding the Fourth Proportional to 28,714.63, 43,071.94 and 8,994.72

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Solution

The fourth proportional to 28,714.63, 43,071.94 and 8,994.72 is: 13,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.63 : 43,071.94 = 8,994.72 : x
  2. Step 2: Convert to fraction form
    28,714.63/43,071.94 = 8,994.72/x
  3. Step 3: Cross multiply
    28,714.63x = 43,071.94 × 8,994.72
  4. Step 4: Simplify right side
    28,714.63x = 387,420,062.64
  5. Step 5: Solve for x
    x = 387,420,062.64/28,714.63
  6. Step 6: Final answer
    x = 13,492.08

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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.