Home / 27,948.62-38,565.60-18,893.69

Finding the Fourth Proportional to 27,948.62, 38,565.60 and 18,893.69

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Solution

The fourth proportional to 27,948.62, 38,565.60 and 18,893.69 is: 26,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.62 : 38,565.60 = 18,893.69 : x
  2. Step 2: Convert to fraction form
    27,948.62/38,565.60 = 18,893.69/x
  3. Step 3: Cross multiply
    27,948.62x = 38,565.60 × 18,893.69
  4. Step 4: Simplify right side
    27,948.62x = 728,646,203.77
  5. Step 5: Solve for x
    x = 728,646,203.77/27,948.62
  6. Step 6: Final answer
    x = 26,070.92

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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.