Home / 25,087.84-37,580.73-20,130.64

Finding the Fourth Proportional to 25,087.84, 37,580.73 and 20,130.64

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Solution

The fourth proportional to 25,087.84, 37,580.73 and 20,130.64 is: 30,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,087.84 : 37,580.73 = 20,130.64 : x
  2. Step 2: Convert to fraction form
    25,087.84/37,580.73 = 20,130.64/x
  3. Step 3: Cross multiply
    25,087.84x = 37,580.73 × 20,130.64
  4. Step 4: Simplify right side
    25,087.84x = 756,524,146.57
  5. Step 5: Solve for x
    x = 756,524,146.57/25,087.84
  6. Step 6: Final answer
    x = 30,155.01

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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.