Home / 28,776.24-39,714.84-17,447.58

Finding the Fourth Proportional to 28,776.24, 39,714.84 and 17,447.58

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Solution

The fourth proportional to 28,776.24, 39,714.84 and 17,447.58 is: 24,079.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776.24 : 39,714.84 = 17,447.58 : x
  2. Step 2: Convert to fraction form
    28,776.24/39,714.84 = 17,447.58/x
  3. Step 3: Cross multiply
    28,776.24x = 39,714.84 × 17,447.58
  4. Step 4: Simplify right side
    28,776.24x = 692,927,848.09
  5. Step 5: Solve for x
    x = 692,927,848.09/28,776.24
  6. Step 6: Final answer
    x = 24,079.86

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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.