Home / 27,934.48-41,841.51-13,121.20

Finding the Fourth Proportional to 27,934.48, 41,841.51 and 13,121.20

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Solution

The fourth proportional to 27,934.48, 41,841.51 and 13,121.20 is: 19,653.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,934.48 : 41,841.51 = 13,121.20 : x
  2. Step 2: Convert to fraction form
    27,934.48/41,841.51 = 13,121.20/x
  3. Step 3: Cross multiply
    27,934.48x = 41,841.51 × 13,121.20
  4. Step 4: Simplify right side
    27,934.48x = 549,010,821.01
  5. Step 5: Solve for x
    x = 549,010,821.01/27,934.48
  6. Step 6: Final answer
    x = 19,653.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.