Home / 25,658.01-38,488.09-8,127.45

Finding the Fourth Proportional to 25,658.01, 38,488.09 and 8,127.45

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Solution

The fourth proportional to 25,658.01, 38,488.09 and 8,127.45 is: 12,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,658.01 : 38,488.09 = 8,127.45 : x
  2. Step 2: Convert to fraction form
    25,658.01/38,488.09 = 8,127.45/x
  3. Step 3: Cross multiply
    25,658.01x = 38,488.09 × 8,127.45
  4. Step 4: Simplify right side
    25,658.01x = 312,810,027.07
  5. Step 5: Solve for x
    x = 312,810,027.07/25,658.01
  6. Step 6: Final answer
    x = 12,191.52

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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.