Home / 27,934.12-38,547.66-15,356.44

Finding the Fourth Proportional to 27,934.12, 38,547.66 and 15,356.44

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Solution

The fourth proportional to 27,934.12, 38,547.66 and 15,356.44 is: 21,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,934.12 : 38,547.66 = 15,356.44 : x
  2. Step 2: Convert to fraction form
    27,934.12/38,547.66 = 15,356.44/x
  3. Step 3: Cross multiply
    27,934.12x = 38,547.66 × 15,356.44
  4. Step 4: Simplify right side
    27,934.12x = 591,954,827.93
  5. Step 5: Solve for x
    x = 591,954,827.93/27,934.12
  6. Step 6: Final answer
    x = 21,191.10

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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.