Home / 27,932.67-38,547.77-15,357.42

Finding the Fourth Proportional to 27,932.67, 38,547.77 and 15,357.42

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Solution

The fourth proportional to 27,932.67, 38,547.77 and 15,357.42 is: 21,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,932.67 : 38,547.77 = 15,357.42 : x
  2. Step 2: Convert to fraction form
    27,932.67/38,547.77 = 15,357.42/x
  3. Step 3: Cross multiply
    27,932.67x = 38,547.77 × 15,357.42
  4. Step 4: Simplify right side
    27,932.67x = 591,994,217.17
  5. Step 5: Solve for x
    x = 591,994,217.17/27,932.67
  6. Step 6: Final answer
    x = 21,193.61

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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.