Home / 28,777.30-39,714.56-17,447.83

Finding the Fourth Proportional to 28,777.30, 39,714.56 and 17,447.83

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Solution

The fourth proportional to 28,777.30, 39,714.56 and 17,447.83 is: 24,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.30 : 39,714.56 = 17,447.83 : x
  2. Step 2: Convert to fraction form
    28,777.30/39,714.56 = 17,447.83/x
  3. Step 3: Cross multiply
    28,777.30x = 39,714.56 × 17,447.83
  4. Step 4: Simplify right side
    28,777.30x = 692,932,804.17
  5. Step 5: Solve for x
    x = 692,932,804.17/28,777.30
  6. Step 6: Final answer
    x = 24,079.15

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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.