Home / 27,675.80-38,147.08-19,612.16

Finding the Fourth Proportional to 27,675.80, 38,147.08 and 19,612.16

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Solution

The fourth proportional to 27,675.80, 38,147.08 and 19,612.16 is: 27,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,675.80 : 38,147.08 = 19,612.16 : x
  2. Step 2: Convert to fraction form
    27,675.80/38,147.08 = 19,612.16/x
  3. Step 3: Cross multiply
    27,675.80x = 38,147.08 × 19,612.16
  4. Step 4: Simplify right side
    27,675.80x = 748,146,636.49
  5. Step 5: Solve for x
    x = 748,146,636.49/27,675.80
  6. Step 6: Final answer
    x = 27,032.52

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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.