Home / 27,948.12-38,564.91-18,893.18

Finding the Fourth Proportional to 27,948.12, 38,564.91 and 18,893.18

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Solution

The fourth proportional to 27,948.12, 38,564.91 and 18,893.18 is: 26,070.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.12 : 38,564.91 = 18,893.18 : x
  2. Step 2: Convert to fraction form
    27,948.12/38,564.91 = 18,893.18/x
  3. Step 3: Cross multiply
    27,948.12x = 38,564.91 × 18,893.18
  4. Step 4: Simplify right side
    27,948.12x = 728,613,884.19
  5. Step 5: Solve for x
    x = 728,613,884.19/27,948.12
  6. Step 6: Final answer
    x = 26,070.23

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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.