Home / 38,948.84-53,714.12-25,515.20

Finding the Fourth Proportional to 38,948.84, 53,714.12 and 25,515.20

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Solution

The fourth proportional to 38,948.84, 53,714.12 and 25,515.20 is: 35,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,948.84 : 53,714.12 = 25,515.20 : x
  2. Step 2: Convert to fraction form
    38,948.84/53,714.12 = 25,515.20/x
  3. Step 3: Cross multiply
    38,948.84x = 53,714.12 × 25,515.20
  4. Step 4: Simplify right side
    38,948.84x = 1,370,526,514.62
  5. Step 5: Solve for x
    x = 1,370,526,514.62/38,948.84
  6. Step 6: Final answer
    x = 35,187.86

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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.