Home / 38,394.13-52,976.89-21,397.95

Finding the Fourth Proportional to 38,394.13, 52,976.89 and 21,397.95

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Solution

The fourth proportional to 38,394.13, 52,976.89 and 21,397.95 is: 29,525.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,394.13 : 52,976.89 = 21,397.95 : x
  2. Step 2: Convert to fraction form
    38,394.13/52,976.89 = 21,397.95/x
  3. Step 3: Cross multiply
    38,394.13x = 52,976.89 × 21,397.95
  4. Step 4: Simplify right side
    38,394.13x = 1,133,596,843.38
  5. Step 5: Solve for x
    x = 1,133,596,843.38/38,394.13
  6. Step 6: Final answer
    x = 29,525.26

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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.