Home / 25,125.28-37,658.64-11,245.12

Finding the Fourth Proportional to 25,125.28, 37,658.64 and 11,245.12

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Solution

The fourth proportional to 25,125.28, 37,658.64 and 11,245.12 is: 16,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.28 : 37,658.64 = 11,245.12 : x
  2. Step 2: Convert to fraction form
    25,125.28/37,658.64 = 11,245.12/x
  3. Step 3: Cross multiply
    25,125.28x = 37,658.64 × 11,245.12
  4. Step 4: Simplify right side
    25,125.28x = 423,475,925.84
  5. Step 5: Solve for x
    x = 423,475,925.84/25,125.28
  6. Step 6: Final answer
    x = 16,854.58

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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.