Home / 25,819.12-35,642.19-19,848.70

Finding the Fourth Proportional to 25,819.12, 35,642.19 and 19,848.70

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Solution

The fourth proportional to 25,819.12, 35,642.19 and 19,848.70 is: 27,400.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,819.12 : 35,642.19 = 19,848.70 : x
  2. Step 2: Convert to fraction form
    25,819.12/35,642.19 = 19,848.70/x
  3. Step 3: Cross multiply
    25,819.12x = 35,642.19 × 19,848.70
  4. Step 4: Simplify right side
    25,819.12x = 707,451,136.65
  5. Step 5: Solve for x
    x = 707,451,136.65/25,819.12
  6. Step 6: Final answer
    x = 27,400.28

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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.