Home / 27,547.58-38,015.25-16,218.38

Finding the Fourth Proportional to 27,547.58, 38,015.25 and 16,218.38

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Solution

The fourth proportional to 27,547.58, 38,015.25 and 16,218.38 is: 22,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,547.58 : 38,015.25 = 16,218.38 : x
  2. Step 2: Convert to fraction form
    27,547.58/38,015.25 = 16,218.38/x
  3. Step 3: Cross multiply
    27,547.58x = 38,015.25 × 16,218.38
  4. Step 4: Simplify right side
    27,547.58x = 616,545,770.30
  5. Step 5: Solve for x
    x = 616,545,770.30/27,547.58
  6. Step 6: Final answer
    x = 22,381.12

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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.