Home / 25,206.39-37,815.21-7,677.57

Finding the Fourth Proportional to 25,206.39, 37,815.21 and 7,677.57

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Solution

The fourth proportional to 25,206.39, 37,815.21 and 7,677.57 is: 11,518.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,206.39 : 37,815.21 = 7,677.57 : x
  2. Step 2: Convert to fraction form
    25,206.39/37,815.21 = 7,677.57/x
  3. Step 3: Cross multiply
    25,206.39x = 37,815.21 × 7,677.57
  4. Step 4: Simplify right side
    25,206.39x = 290,328,921.84
  5. Step 5: Solve for x
    x = 290,328,921.84/25,206.39
  6. Step 6: Final answer
    x = 11,518.07

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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.