Home / 28,557.93-39,407.58-17,072.58

Finding the Fourth Proportional to 28,557.93, 39,407.58 and 17,072.58

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Solution

The fourth proportional to 28,557.93, 39,407.58 and 17,072.58 is: 23,558.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557.93 : 39,407.58 = 17,072.58 : x
  2. Step 2: Convert to fraction form
    28,557.93/39,407.58 = 17,072.58/x
  3. Step 3: Cross multiply
    28,557.93x = 39,407.58 × 17,072.58
  4. Step 4: Simplify right side
    28,557.93x = 672,789,062.16
  5. Step 5: Solve for x
    x = 672,789,062.16/28,557.93
  6. Step 6: Final answer
    x = 23,558.75

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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.