Home / 25,852.26-38,771.30-7,127.90

Finding the Fourth Proportional to 25,852.26, 38,771.30 and 7,127.90

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Solution

The fourth proportional to 25,852.26, 38,771.30 and 7,127.90 is: 10,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,852.26 : 38,771.30 = 7,127.90 : x
  2. Step 2: Convert to fraction form
    25,852.26/38,771.30 = 7,127.90/x
  3. Step 3: Cross multiply
    25,852.26x = 38,771.30 × 7,127.90
  4. Step 4: Simplify right side
    25,852.26x = 276,357,719.77
  5. Step 5: Solve for x
    x = 276,357,719.77/25,852.26
  6. Step 6: Final answer
    x = 10,689.89

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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.