Home / 25,538.91-38,308.36-7,070.91

Finding the Fourth Proportional to 25,538.91, 38,308.36 and 7,070.91

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Solution

The fourth proportional to 25,538.91, 38,308.36 and 7,070.91 is: 10,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,538.91 : 38,308.36 = 7,070.91 : x
  2. Step 2: Convert to fraction form
    25,538.91/38,308.36 = 7,070.91/x
  3. Step 3: Cross multiply
    25,538.91x = 38,308.36 × 7,070.91
  4. Step 4: Simplify right side
    25,538.91x = 270,874,817.73
  5. Step 5: Solve for x
    x = 270,874,817.73/25,538.91
  6. Step 6: Final answer
    x = 10,606.36

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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.